Learn about Timbre
This page will give you the resources to learn about, or expand your knowledge of, musical timbre. Follow the links below to the section that matches your interest:
Timbre for the Beginner (if you don’t know what timbre is)
Timbre for the Curious Learner (if you want to learn more)
Timbre for the Intrepid Expert (if you’re a timbre geek, like us)
Timbre for the Beginner
Welcome to your crash course on timbre! Below you’ll find short readings, videos, and other online content designed to bring you into the world of timbre and some of the most cutting-edge research that explores its mysteries. But first, let’s get some misunderstandings out of the way:
What is timbre?
We’ll start with how to pronounce it. Timbre is pronounced tam-burr. It’s not made of wood, and it’s not what you yell as a tree falls. It’s also not a stamp (unless you're speaking French). So what is timbre? “Timbre” refers to the characteristic quality or “colour” of a sound—it’s what makes the sound sound like itself.
“Often referred to as tone quality or color, timbre is what makes different instruments sound unique, even while playing the same pitch. We use words like smooth, gritty, and warm to describe the characteristics of timbre. While a spectrogram can show us the acoustic fingerprint of each tone, timbre is subjective to the listener. One person might find an instrument’s tone appealing, while another listener might cover their ears. How can different listeners have such varying experiences with the same sound?”
Timbre stories
We all have personal connections to timbre in our lives, whether it be through music or simply our aural connection with our surroundings. Click each image below to learn about ACTOR members’ personal connections to timbre. What timbre stories do you have to tell? Do any of the ones below resonate with you?
Amazing moments in timbre
Our experience of timbre can be an intensely personal affair. Below you’ll find a series of essays written by ACTOR researchers about some of our favourite musical moments where timbre plays a pivotal role.
Welcome to the land of Oz, a land of hope, joy, magic, and resentment. A land that is not yet discovered by Dorothy, but act as the building blocks before her arrival. This is Wicked. The movie Wicked is an adaptation of the original Broadway musical. It follows the story of how Elphaba, an “outcast” born with green skin and magical powers, becomes the Wicked Witch of the West. For my analysis, I will be using the movie adaptation of Wicked, along with the 2024 movie soundtrack recording of “I’m Not That Girl” by Cynthia Erivo, who plays Elphaba. In Cynthia Erivo’s recording of “I’m Not That Girl,” the emotional narrative is supported by Cynthia’s use of an expressive vocal timbre.
The repertoire of Chinese composer Wenchen Qin is often characterized by immediate connections to the topics of nature and religious spirituality. For Qin, the religious connotation in his music often serves specifically as the medium connecting humans and nature. One only needs to look at the titles of his works to see the prevalence of these two topics: Pilgerfahrt im Mai (Pilgrimage in May) (2004), The Nature’s Dialogue (2010), The Border of Mountains (2012), The Cloud River (2017), The Light of the Deities (2018), Poetry of the Land (2020), among others. Qin’s proclivity for these topics can be traced back to his childhood in Inner Mongolia where he was born. The vast landscape of Inner Mongolia, with its endless grassland interspersed with surging mountain ranges, bears a palpable trait of ruggedness and broadness of space, of which one can often identify musical counterparts in Qin’s music almost viscerally.
We might think about how a single voice part within a composition expresses a mode (one of the prevailing systems governing the organization of pitch in this period), or how multiple voice parts move against one another (counterpoint, from the Latin contrapunctus—literally means note-against-note), creating successions of intervals. This essay focuses on the amazing moments ensconced in those intervals: the way they are arranged, the spaces between them, and ultimately, the sonorities they create.
The 1975 live version of Minnie Riperton’s “Lovin’ You” sets itself apart from her 1974 album, Perfect Angel, not just because of its extended length but also because of Riperton’s whistle register ad-lib in the middle of modal register singing.
In a moment of vocal, narrative, and timbral intensity, Christina Aguilera’s performance as the character Ali in the 2010 film Burlesque shatters the viewers’ expectations.
A tragic ode to perseverance and rebirth, “Cellophane” tackles the intense emotions of a public celebrity romance scrutinized by online critics. In “Cellophane,” repetitive lyrical content such as “didn’t I do it for you?” express twigs’s disbelief in her own crumbling relationship while other lyrics (e.g., “they want to see us, want to see us apart”) relate to the taxing nature of online comments.
Much of the piece’s effect is accomplished by Reitzell’s intentional manipulation of timbral signifiers. Most attacks have been removed in a kind of electronic vivisection – a commingling of the known and the unknown that creates ambiguity in the sonic space.
In 1908, American composer Charles Ives composed The Unanswered Questionfor string orchestra, solo trumpet (or English Horn) and four flutes (or three oboes and one clarinet). This piece inspired Leonard Bernstein’s famous Norton Lectures of the same title at Harvard in 1973 and continues to capture the imaginations of musicians and audiences today….
Trevor Wishart is a contemporary British composer closely associated with extended uses of the human voice. Whether in acousmatic pieces such as Encounters in the Republic of Heaven (2011) or in pieces for live performance such as Vox 4(1987), his compositions masterfully exploit the subtlety and range of human vocal production…
The Amazing Moments in Timbre series continue with a piece by Olga Neuwirth. Known as the "Enfant terrible" of the Austrian contemporary classical music scene, Neuwirth composes in a very theatrical and expressionist way, and describes her own art as a music of catastrophes ("Katastrophenmusik"). In her Hommage à Klaus Nomi(2009), for countertenor and chamber ensemble…
This week’s amazing moment in timbre is a bit of a mind-bender: a piano that recreates the timbre of the human voice. It’s Peter Ablinger’s Deus Cantando (2009). for a piano being played by a computer-controlled mechanical device. Watch and be wowed:
Our second Amazing Moment in Timbre is another classic, but somewhat lesser-known. It’s Canadian composer and inventor Hugh Le Caine’s Dripsody(1955).
We’re beginning our “amazing moments in timbre” series with a true classic, György Ligeti’s paralyzingly beautiful orchestral masterpiece Atmosphères(1961)…
What kinds of timbre research are undertaken at ACTOR?
The below videos provide a sneak peak into some of the timbre-related research we do at ACTOR. In EduFilm 1, Stephen McAdams takes you through all the aims and goals of ACTOR, highlighting some of the ongoing research we’re doing. In EduFilm 2 Stephen and Cameron Chameleon explore why we associate certain colours with certain timbres.
In the second ACTOR / TOR EduFilm, Lab partners Cameron Chameleon and Stephen McAdams (director, ACTOR project) explore cross-modal correspondences between sound and colour.
Learn about timbre and orchestration with the ACTOR project! In Episode 1, Stephen and his assistant Cameron Chameleon explore what goes on inside the ACTOR labs.
What can we learn about timbre from the instruments of the orchestra?
Sergei Prokofiev’s Peter and the Wolf (1936) is an piece that highlights timbral differences between musical instruments. To learn more about the piece and to explore each of the instruments’ themes, check out this insightful page by Orchestre symphonique de Montréal.
A study of the unique sounds of each instrument was made by the Orchestre Metropolitain. In the Orchestra Up Close, each instrument of the orchestra is introduced and repertoire examples are provided.
Timbre for the Curious Learner
You are interested in learning more about timbre, you are curious about the ways it is taught, what words are used to describe it, how it is used in music, and what "timbre research" is.
Dialogues
Want to hear what the experts have to say about timbre? Read below to learn about how composers, conductors, recording engineers, researchers, and performers understand timbre in their own musical practice and those of others.
In this Dialogue, New discusss the unique instrumental combinations and timbres that Holst employs to evoke the distinct characteristics of each movement. She delves into the challenges of balancing the various sections of the orchestra, crafting effective phrasing, and interpreting the composer's intentions to create a cohesive and compelling performance.
Tianyi Lu shares her approach to conducting and the role of timbre and orchestration in evoking emotions and immersing audiences in the musical experience, offering a unique perspective on the art of conducting.
In this interview, Kent Nagano, then Artistic Director of the Orchestre symphonique de Montréal (OSM), shared his thoughts on the essential role of timbre in music, the power of imagination in interpreting scores, and the art of communicating musical ideas to the orchestra.
Roger Reynolds is Distinguished University Professor Emeritus of music composition at the University of California, San Diego. In 1989, he won the Pulitzer Prize for Music for the string orchestra composition, Whispers Out of Time. His more than 150 compositions have been exclusively published by Edition Peters New York for over five decades.
Nicolas Ellis is Music Director of the Orchestre National de Bretagne, Principal Guest Conductor of Les Violons du Roy, as well as Artistic Director and Conductor of the Orchestre de l’Agora, which he founded in Montreal in 2013. Known for his versatility in a vast repertoire, Nicolas has distinguished himself with the Orchestre de l’Agora by the conception of concerts with a dramaturgical approach.
The piano sound that we hear on a recording is a combination of the pianist’s performance, the characteristic sounds of the instrument, and the context of the space where it is recorded, to which the pianist is constantly reacting. The recording philosophy that is applied is an additional factor that contributes to the overall impression.
Timbre Lingo
As with any complex topic, we uses many different terms and concepts to describe timbre: how we perceive it, how we harness it creatively, and how it affects our practices as performing musicians. Read on to learn more about topics such as blend, masking, synthesis, and more.
Blend is achieved when two or more timbres appear to “fuse” together. A particular blend of multiple timbres occupies a continuum between total fusion (completely blended) and total heterogeneity (not blended at all).
Passaggio, an Italian word translating to passage or transition, is the bane of many a classical singer and the secret weapon of folk-inspired vocalists like Dolores O’Riordan, Jewel, and Sarah McLachlan. In English we often refer to this as “the break.” One of the main goals of classical vocal technique is smoothing out register breaks. This requires finesse, patience, and perseverance. It is a process that cannot be rushed because singing in the passaggio for extended periods of time can mentally and physically tax even experienced singers, causing serious vocal fatigue.
Sound is vibration! Repeated, continuous vibration of the air creates sustained sounds. Within sustained sounds, vibration modulations are a natural component of both vocal and instrumental music. Patterns of vibration modulations are perceived by the human ear, and we call them vibrato. Vibrato is commonly accepted to be a distinctive feature of musical sound, inextricably tied to artistic expression and timbre.
“Brightness” is one of the most common terms used to describe sounds, drawing on strong cross-modal associations. Most people can call to mind examples of “bright” sounds: what do these sounds have in common?
Most sounds are made up of multiple different sound components, including partials and noise components. The relations between sound components have a big impact on how the overall sound is perceived:
Have you ever wondered how opera singers sing so loudly? In the voice studio, operatic singing is not actually thought of as loud but rather as possessing resonance (in singers’ terms, not acousticians’ terms), focus (sometimes visualized as a laser point), cut (a non-technical term meaning the voice can cut through the texture of an orchestra), or squillo (an Italian word for the buzzy quality in an operatic voice). A classically trained voice can be heard despite being accompanied by strings, percussion, woodwinds, and, in the case of Wagner’s Die Walküre, twenty-two brass instruments.
Inharmonicity is a feature of timbre that is related to the frequency spectrum of a given sound. It is measured through an analysis of the partials (see https://www.actorproject.org/timbreducation/timbre-term-of-the-week-1), or, more precisely, of their frequencies and the intervals between them….
Spectral centroid is an acoustical descriptor of timbre. Its value is obtained through a statistical measurement on the frequency representation of the signal (the frequency spectrum - see Timbre Term of the Week "Signal vs Spectrum"). As its name says, centroid is a spectral descriptor and corresponds to a specific type of estimation of the spectral shape (or curve)…
In everyday life, sounds are captured by our auditory system and analyzed in our brains. But in order to better understand the physical phenomena that comes with sound production, we use analytical methods, both analog and computational, that are based on different representations of the sound vibration.
In this post Auditory Scene Analysis, we introduced some of the ways that sound components are grouped together by the auditory system. This has many musical applications, and also lays the foundation for some interesting auditory illusions. One of the most famous is the Shepard Tone, named for cognitive scientist Roger Shepard, which creates an illusion of perpetual ascent or descent. A quick search on YouTube will turn up many examples; here is a handful:
In synthesis and sound recording and mixing, envelope describes how a sound’s amplitude (volume) changes over time. When recreating the timbre of an instrument (or other sounds such as a firetruck siren), it is equally important to get the overtone series right as it is to reconstruct or preserve the contour of the sound….
The word noise is a familiar everyday word that has many different meanings. Here, we are interested in its acoustical sense…
Although we may perceive sounds such as musical notes as singular, self-contained units, the physical reality often suggests something very different. Most sounds we hear are actually complex mixtures of many different sound components, some of which are noisy and transient, others of which may have stable frequencies…
Amazing Moments in Timbre
Our experience of timbre can be an intensely personal affair. Below you’ll find a series of essays written by ACTOR researchers about some of our favourite musical moments where timbre plays a pivotal role.
A work of haunting beauty and mystery, And Suddenly It’s Evening (1966) is a cantata for tenor and orchestra by English modernist pioneer, Elisabeth Lutyens (1906-1983). The cantata is highly representative of Lutyens’ serialism of the mid 1960s, and is similar to other works of this period, especially The Valley of Hatsu-Se (1965), in terms of scope, the serial structure, lyricism and the approach to orchestration. The evocative poetry of the cantata was written by Sicilian modernist poet and Nobel prize laureate (1959), Salvatore Quasimodo (1901-1968), and translated into English by Jack Bevan in 1965.[i] Lutyens first wrote the work to the English translation, later adding the original Italian (as determined from examining the composer’s autograph).[ii] In this work, Lutyens sets four poems by Quasimodo, each in its own movement, with instrumental interludes on either side of each poem. The cited recording was conducted and sung by Herbert Handt (who premiered the work) with members of the BBC Symphony Orchestra in 1967. In this analysis, I examine how Lutyens creates and demarcates form through orchestrational groupings in her cantata, which alongside pitch serialism, is the main compositional determinant.
The repertoire of Chinese composer Wenchen Qin is often characterized by immediate connections to the topics of nature and religious spirituality. For Qin, the religious connotation in his music often serves specifically as the medium connecting humans and nature. One only needs to look at the titles of his works to see the prevalence of these two topics: Pilgerfahrt im Mai (Pilgrimage in May) (2004), The Nature’s Dialogue (2010), The Border of Mountains (2012), The Cloud River (2017), The Light of the Deities (2018), Poetry of the Land (2020), among others. Qin’s proclivity for these topics can be traced back to his childhood in Inner Mongolia where he was born. The vast landscape of Inner Mongolia, with its endless grassland interspersed with surging mountain ranges, bears a palpable trait of ruggedness and broadness of space, of which one can often identify musical counterparts in Qin’s music almost viscerally.
Professor Bad Trip: Lesson III (2000) is a piece for small ensemble composed by Fausto Romitelli, constituting the last part of his Professor Bad Trip triptych (1998–2000). As suggested by the title, Romitelli sought an aesthetic that evokes hallucination, plunging the listener into a state of illusion and bewilderment.
Icicle (1977) for solo flute, by Canadian composer, conductor, and flautist Robert Aitken, captures a quintessentially winter soundscape with its highly variable timbral palette. Audible right from the beginning of Nina Assimakopoulos’s 2021 recording, Icicle is saturated with timbres that evoke such cold, wintry imagery as glistening icicles and blowing snow. The wintry timbres in Icicle are created by various extended playing techniques.
Kaija Saariaho’s Petals (1988) transforms the cello into a diverse musical instrument capable of creating countless varying sounds. Her organization of sounds produces two distinct timbral profiles that alter throughout the work, governing its two-part structure. Different music variables, including temporal perception, sound characteristics, spectral density, and attack, are employed by each profile to construct several binaries that either produce a state of tension or relaxation. The superimposition of profiles towards the end of Petals begets the work’s climax by maximizing tension. Saariaho therefore develops a narrative that explores opposing approaches to the creation and dissolution of tension through timbre.
In this edition of Amazing Moments in Timbre, I will explore the timbral representation of sex (and maybe death) in “Pur ti miro, pur ti godo,” the final love duet between Poppea and Nerone in Monteverdi’s opera (on a libretto by Busenello), L’incoronazzione di Poppea. Martha C. Nussbaum, in Upheavals in Thought (2012), describes the duet as “an extraordinary depiction of lovemaking,” presumably in part because of the tension and release created by the numerous harmonic clashes and resolutions in the piece. Meanwhile, music librarian and blogger Pessimisissimo interprets the dissonance as follows:
In The Alchemical Wedding (1996), for large ensemble, Australian composer Liza Lim seeks contact points between “seemingly disparate musical entities” (1996)—a pursuit reflected in the work’s title. This virtual contact is evidenced by the work’s peculiar instrumentation, where the Chinese Er-hu and Indonesian Angklung are pitted against a large Western ensemble. Reflecting the cultural fusion of composer’s upbringing between Australia and various Asian countries, The Alchemical Wedding represents a marriage of musical possibilities through the collision of Asian and Western instruments and aesthetics.
Abstract: This short essay will investigate how Rebecca Saunders uses several orchestration techniques to create a timbral progression in her work dichroic seventeen in order to emulate the visual phenomenon of dichroism.
The opening section of the ensemble piece Pour l’image by Philippe Hurel is underpinned by a series of orchestration approaches that work in concert to generate large-scale musical transition. The first prominent transition happens in the first 15 measures, traversing from a complex timbral agglomerate to a transparent polyphonic texture. The second transition happens in mm. 22-45 where a harmonically and timbrally dissonant texture gradually condenses into a passage of consonant chordal echoes.
In a brief article from 1971, British composer Elizabeth Maconchy (1907–94) stated that the string quartet is “above all best suited to the expression of the kind of music I want to write – music as an impassioned argument.” Maconchy’s highly dissonant String Quartet No. 10 (1972) exemplifies this compositional philosophy.
The sound of today’s bassoon far exceeds the range and intensity of its ancestors, and recent music written for the bassoon has increased in variety and complexity accordingly. Extended techniques for bassoon, including multiphonics and timbral trills, create entirely new and almost uncharacteristic timbres, ones that listeners cannot even identify as bassoon sounds. Thus, the timbral lexicon for bassoon could use some updates.
I am standing on a rainforest floor. Surrounding me, but in my aural periphery, a million insects murmur, forming a sonic haze as impenetrable as the thick vegetation. My focus is drawn towards the canopy, where a few birds converse, hidden from view.
In 1971, American composer James Tenney wrote the solo violin piece Koan as part of his Postal Pieces. The score is contained entirely on a postcard consisting of only seven measures. A string quartet arrangement of Koan, written by Tenney in 1984, retains the original violin line but adds a further harmonic context in the remaining three instruments.
Jaqueline Leclair’s album Music for English Horn Alone, released in October 2020, represents a landmark for the versatile—but often underestimated—English horn. In particular, the album showcases the colorful timbral palette of the instrument through both traditional modes of playing and extended techniques. This is the first part of two blogs addressing pieces on Leclair’s new album.
Alfred Schnittke’s Concerto Grosso No. 1 (1977), composed at the height of his “polystylistic” period, is filled with diverse musical materials. The 28-minute piece is divided into six movements combining different musical genres, styles, and sonorities. As musicologist Maria Bergamo describes, “The musical ideas, the themes and motives of the work are linked in all six movements, gaining new interpretations and aspects by varied treatment and paraphrases.”[1] For this Amazing Moment in Timbre, I will describe the interaction of timbres in the second movement, the Toccata, focusing on two main timbral features: sound mass and textural integrations.
As stated in the album liner notes for Eric Wubbels’s Duos with Piano Book I, “these pieces aim to develop a 21st-century conception of ensemble virtuosity (now a virtuosity of listening, concentration, timbral fusion, and collaborative decision-making as much as of technique) in the microcosm of the duo format.” “the children of fire come looking for fire” (2012), for violin and prepared piano, stays true to Wubbel’s stated aim not only in its inventive combination of similar gestures in differing instruments, but also in its use of these individual instruments to highlight the and forefront each other’s particular timbral qualities.
A snare drum pounds relentlessly for the first sixty seconds of James Blake’s “Buzzard and Kestrel,” punctuated by random swoops of vocoderised voices, the occasional handclap, and an intermittent sub-bass almost at the edge of hearing. As the drum pattern repeats again and again, its reverberation steadily grows until the entire track is blanketed in a continuous sizzle. At its peak, around 0:56, the drum’s attacks are almost completely swallowed by their own echoes, the reverb an unremitting rush in our ears…
Then, something amazing happens.
No doubt, a stirring sense of vitality captures you from the very first moment of this miniature. But what is it that is so captivating about this Intermezzo? Clearly, the composer focuses our attention on a very particular technique of orchestration that he uses throughout. Nevertheless, we don’t get tired of it: it stays fresh long after we recognize this particular orchestration as a main expressive element…
When considering the compositional problem of Goya’s deafness, Gian Carlo Menotti may have struggled to find the best approach. However, forty years prior to the première of Goya (1986), he had already explored the issue of muteness …
Timbre Stories
We all have personal connections to timbre in our lives, wheteher it be through music or simply our aural connection with our surroundings. What timbre stories do you have to tell? Do any below resonate with you?
We listened to a lot of classical, folk and jazz, and I later became intrigued by the musics of other cultures with wildly different instruments and sonorities, and so sound colors galore were always available. The discovery of contemporary music and electronic music then blew the door open even wider to the wonderful world of timbre as a musician making some attempts at music composition: I just wanted to explore new and fascinating sound worlds.
The world of music is a resplendent and colorful world. In analogy with the visual world in which we live, the sounds that surround us are presented in an immensity of tones and varied nuances. When sounds are used to produce music, performed by musicians, instrumentalists and singers, the variety of tonal colors that they have at their disposal contributes to creating a wide universe of sound details, which enrich the communication of the musical content that the musicians share with their listeners.
How does timbre intersect with music, society, and culture?
Check out more of our animated short films below, which discuss topics like timbre and cover songs, timbre and culture, timbre and gender, and the mysteries of orchestration.
Orchestration is a tricky business. How do composers take a simple melody and harmony and spin it into an orchestrated web of multitudes of instruments? What techniques are available, and what effects do they achieve?
Timbre is a pretty complicated concept when it comes to the sound of the singing voice. The way we perceive vocal timbre has much to do with our visual perception of the vocalist's appearance. What perceptual biases are entwined in this process, and how can we combat them?
Ever wonder how Weezer's cover songs sound nearly identical to the originals, yet unmistakably like Weezer? EduFilm 4 explores this question, and the answer, naturally, has something to do with timbre.
In EduFilm 3 we explore the roles of timbre and culture in determining how we respond to the music we love.
What other kinds of timbre research are undertaken at ACTOR?
Click the images below to uncover some basic principles of acoustics, to explore a large dataset of analyzed popular music, or to see/hear some of the wildest unexpected sounds you can make at a drumkit!
Evoking the human voice through instrumental music has been a perennial goal for composers, appearing in traditional and historical performance instructions such as cantabile and contemporary practices such as formant modeling (e.g., Jonathan Harvey, Speakings, 2008; Peter Ablinger, Deus Cantando, 2009). Performers also make extensive use of vocal metaphors in their discourse (Healy, 2018). But do general listeners perceive instrumental music in terms of vocal qualities or metaphors? Here we address this question by asking listeners to rate their perceptions of vocality in music intended to emulate it. Listeners provided real-time continuous slider data indicating how “voice-like” they perceived our repertoire excerpts to be. These excerpts included contemporary vocal mimesis techniques, traditional approaches to vocality, and control stimuli (i.e., music that is materially similar to the memetic excerpts but not explicitly intended to evoke the voice). This study provides perceptual validation for a phenomenon that has been important to musicians for centuries. Based on these findings, a new composition by Louis Goldford has been commissioned and is currently in development, incorporating the vocality features identified in our analysis. Although the composition has not yet been performed, it represents a future application of our methodology within a creative practice.
This module documents an ACTOR research-creation project bringing together six composers with the musicians of the Quasar Saxophone Quartet for a yearlong series of meetings and workshops culminating in a concert on May 9, 2024, “Vacillations harmoniques en six tableaux / Harmonic vacillations in six pictures.” The project, organized by ACTOR members Andrés Gutiérrez Martínez and Robert Hasegawa, featured six McGill-affiliated composers (Andrés Gutiérrez Martínez, Chelsea Komschlies, Anita Pari, Lila Quillin, Jonas Regnier, Louis-Michel Tougas) with research assistance from saxophonists Tommy Davis and Kirby Leitz and the inexhaustible dedication and generosity of the members of the Quasar Saxophone Quartet: Marie-Chantal Leclair (soprano saxophone), Mathieu Leclair (alto saxophone), André Leroux (tenor saxophone), and Jean-Marc Bouchard (baritone saxophone).
In the crucial decades of the development of the piano at the start of the 19th century, essential musical questions centered on sonic and performative nuances embodied in the contrast between different school of piano building in Vienna and Paris. For this ACTOR funded research project realized at the end of May 2022 at the Hochschule für Musik Detmold, two replicas of historical keyboard instruments that Beethoven employed to compose some of his major piano works are being contrasted. Replicas of an 1803 French Erard Frères piano and a ca. 1800 Viennese Walter piano were alternately played by historical performer and researcher Tom Beghin. A multitrack immersive sound recording captured the most characteristic sounds of both instruments in the close and mid-range. Simultaneously acoustical recordings and measurements were realized to analyze the origin of the sound waves in different distances. Perceptual analysis of the microphone signals in comparison with the acoustical data collected as well as materials from a pilot project served to describe in detail the timbral characteristics. The evaluation of all the recorded audio takes as well as acoustical investigations of the timbre, directivity, and the effect of the second sound board of the Erard are ongoing. Educational audio materials have been developed.
The composition of sound is a complex process that requires the implementation of numerous strategies and circumstances to achieve a successful outcome. Each musical work is the result of countless preliminary stages, prerequisites, and chance occurrences. The complexity of creation cannot be easily reduced, and the development of specific concepts for the direct experimentation with sound is necessary to navigate through the vast array of creative approaches found in the contemporary instrumental and electroacoustic repertoire. The gestation of a musical work is a mysterious process that surpasses our understanding. Working directly with sound allows us to follow a portion of this process, whether it begins with an idea seeking a sound to materialize or with a "found" sound emerging from an unexpected accident.
Accurately capturing individual sound sources when recording a multi-musician performance requires a crucial balance between obtaining “acoustically clean” signals from each instrument and preserving musicians' visual and auditory feedback from co-performers and the room acoustic environment. This balance is crucial for research on orchestral and ensemble sound, particularly in studies on musical blending between instruments in ecological conditions, as well as applications in virtual reality orchestra simulations and music recording techniques.
The acoustic characteristics of a performance space significantly influences musicians' auditory experience, influencing the ability to interact and synchronize within an ensemble. Understanding how room acoustics affect musical performance is crucial for optimizing acoustic attributes of performance spaces, and supporting musicians in various performance settings. This study explores how changes in room acoustic conditions impact musicians’ awareness and perception of their surroundings, with a particular focus on ensemble performance. To achieve this, we employ virtual acoustics, a technique that allows precise manipulation of room acoustic properties through the process of auralization. By systematically adjusting acoustic characteristics of performance space, this pilot study aims to assess musicians' sensitivity to environmental changes, determine preferred acoustic conditions, and investigate the role of acoustic feedback in performance. Through this approach, it seeks to offer insights into the perceptual and cognitive effects of varying acoustic conditions on ensemble performance and musical blending.
Accurately capturing individual sound sources when recording a multi-musician performance requires a crucial balance between obtaining “acoustically clean” signals from each instrument and preserving musicians' visual and auditory feedback from co-performers and the room acoustic environment. This balance is crucial for research on orchestral and ensemble sound, particularly in studies on musical blending between instruments in ecological conditions, as well as applications in virtual reality orchestra simulations and music recording techniques.
As an ensemble of four instruments from the same family, the quartet has an exceptional capacity for blending but can also sharply differentiate the timbres of its members when desired. As an uncoducted ensemble, the string quartet depends on close non-cerbal communication between its members, and quartet members are accustomed to making subtle variations in their playing to achieve timbral and orchestrational ends. The purpose of this project is to explore how composers can orchestrate for the string quartet, examining strategies for timbral blend, stratification, modulation, and contrast.
How do Luvale musicians tune their drums with heat and tuning paste? How does this tuning process change a drum’s timbre? How do practitioners describe these timbres? And what acoustic properties are encoded in these semantic, descriptive terms? In this collaborative and interdisciplinary module, we address these questions through the case study of a two-step tuning process among Luvale drummers in Zambia.
This project spurred the development of an internet-based guide for musicians that describes, in layperson terms, the fundamentals of acoustic features of musical instruments, stages, and performance/rehearsal rooms using visual and auditory examples. The guide also aims to explain what and how parameters can be assessed along with the audio recordings to document a musical performance.
This project analyzes the understudied parameters of timbre and texture and their interactions with musical form in a new popular-music corpus, Timbre in Popular Song (TiPS). This study addresses two problems in popular-music scholarship: lack of research on timbre and texture, and underrepresentation of non-male and non-white artists in both popular music and its scholarship.
In late August of 2022, the rich sonority of the historical Chapelle du Grand Séminaire de Montréal presented the acoustical canvas for a multifaceted choral recording and research project. Under the baton of Andrew Gray, Montreal choir Voces Boreales performed Joby Talbot’s Path of Miracles for mixed chorus (2005) and percussion, a musical pilgrimage for 17 voices, inspired by the millennial Camino de Santiago de Compostela.
"Masque de fer" (Iron Mask) is a module for exploring extended techniques on the drum kit, created by Gabriel Couturier and Martin Daigle who were awarded the ACTOR Project’s Collaborative Student Project Grant. The recording session generated an open-access extended technique resource that includes a stereo mix, the entire recording session, and the stems in 96 kHz or in 48 kHz. This session was filmed from the first-person point of view to allow researchers and composers to step into the world of the drum kit performer. This tool will allow composers to familiarize themselves with the sound possibilities which are presented in the research.
Timbre for the Intrepid Expert
Congratulations! Few have made it this far. By now you are well familiarized with terms, concepts, and conversations pertaining to timbre, and probably have a good idea of how it affects you as a listener, musician, or learner. Timbre is multifaceted, and interacts with a lot of related areas of study.
Longer articles on specific topics
If you’re ready for a deep dive on specific topics concerning timbre, look no further! Below you’ll find full-length articles on topics as diverse as the tuba family, Luigi Dallapiccola’s compositional practice, and timbre’s multifaceted relationship with technology.
The music of Rebecca Saunders (b. 1967) is all but absent from theoretical and musicological discourse with the notable exceptions of two recent publications: Dubiel’s (2017) analysis of Crimson and McMullan-Glossop’s (2017) application of color theory terminology to describe Saunders’ timbral and textural approach to composition. An active composer since the early 1990s and the 2019 recipient of the Von Siemens Prize, Saunders’ work is written in a distinct idiom, drawing equally upon “postwar German fastidiousness and expressionism and experimental, Cageian concentration…” (Service, 2012). Her music is marked by the exploration of noise, pitch, and silence, the use of extended instrumental techniques, and uncommon combinations of instruments. Traditional music theoretical analytic techniques are insufficient to fully describe the prominent features of Saunders’ music: timbre, texture, noise, and silence.
In the aftermath of World War Two, Luigi Dallapiccola (1904-1975) was famous for a few major works that conveyed a humanist message, particularly the Canti di Prigionia (1938-1941) and the opera Il Prigioniero (1944-1948), which rank among his better-known works to this day. The composer’s personality should, however, not be reduced to this one aspect of his output. Likewise, we should not merely see him as a practitioner of twelve-tone techniques inherited from Schoenberg and Webern, a facet that has been extensively explored by theoreticians and historians of music.
This paper proposes an examination of the intersections of materiality, acoustics, and musical performance practice through the prism of instruments of the tuba family. Investigation into the symbiotic relationship between instrumental evolution and performance practice is a crucial facet of any study of timbre and orchestration.
Moving Sources explores the relationship between instrumental orchestration and electronics primarily through the means of spectral analysis and subsequent electronic-informed timbre-blending techniques such as filtering, reverberation, granular synthesis, pitch freezing, envelope generators, noise, delays and spatialization.
This article outlines my first attempt at making a virtual orchestration from one of my compositions, Récitatif, chant et danse. In addition, it provides some background on virtual orchestration and discusses the different elements involved in creating one.
Beginning with simple elements of sound, composers can use their expertise to craft compositional systems that may be enormously complex and far beyond the comprehension of most listeners. But by the end, I think it is a magical thing if it comes around to become perceptually simple again: a musical organism with processes, gestures, and gestalts that are readily appreciated and comprehended.
Seven Beginnings (2019), for flute, oboe, clarinet, bassoon, horn, two violins, viola, and cello, was composed as a deliverable of my ACTOR postdoc. The piece builds upon the trend of speech transcription in recent music, with a focus on spectral transcription and cross-modal composition. But far from being a technical étude, it is a very personal piece with a very specific motivation behind its materials and methods.
Timbre Lingo
As with any complex topic, we uses many different terms and concepts to describe timbre: how we perceive it, how we harness it creatively, and how it affects our practices as performing musicians. Read on to learn more about topics such as blend, masking, synthesis, and more.
A compositional technique where a musical line or melody is split between several instruments, rather than being played by a single instrument. Each instrument plays a note or a short succession of notes, creating a continuous melody with a constantly changing timbre or "tone colour.”
Suppose you enter a restaurant with a friend, mid-conversation. As you enter, you are greeted by the background noise of other patrons’ conversations. You and your friend begin to speak louder so you can hear one another. You’ve just experienced masking, a very familiar yet fascinating phenomenon that many of us encounter every day without even noticing.
In the process of analyzing the spectrum of a sound, it is sometimes useful to describe its spectral properties in terms of energy distribution rather than individually mapping all its components. In so doing, we invoke the concept of spectral envelope, a curve that can be obtained by successively connecting the peaks of the partials shown in the frequency representation of the sound (i.e., with frequency on the x-axis and energy or amplitude on the y-axis). Spectral envelopes are important factors in timbre perception. They reflect the acoustic properties of an object that produces sound in terms of the energy distribution across the frequency spectrum.
A sound’s timbre can be represented by a point inside a conceptual timbre space, a space where the axes are usually defined by the principal attributes (e.g., spectral centroid, attack time) that one would implicitly use to perceive or conceive any timbre in a given context. Timbre spaces are obtained using a statistical method called multidimensional scaling analysis (MDS), which generates a simplified multidimensional map from a series of perceptual distances between pairs of timbres (as measured in perceptual experiments). The experimenter then deduces the attributes (acoustic descriptors) that best describe the axes obtained. Timbre spaces provide us with complementary information to the neuro-cognitive mechanisms of timbre perception, and can also be a very useful compositional tool.
Instrumental synthesis is a technique for composition and orchestration first developed in the 1970s. It is a founding principle of French spectral music, represented at that time mainly by the composers Tristan Murail, Hugues Dufourt, and Gérard Grisey. This type of compositional process could not have existed without the technological progress in musical acoustics made in the previous decades…
La synthèse instrumentale est une technique d’écriture et d’orchestration développée principalement dans les années 1970-1980. C’est le principe fondateur du courant de la musique spectrale, né en France et principalement représenté par les compositeurs Tristan Murail, Hugues Dufourt et Gérard Grisey à cette époque. Ce procédé compositionnel n’aurait pas pu exister sans les progrès technologiques en acoustique des dernières décennies.
What other kinds of research are undertaken at ACTOR?
Here you can learn how to use simple waveforms (sine, square, sawtooth) to match and embellish sounds made by instruments, and learn about three other exciting projects that connect timbre to perception, performance, and dance.
“Timbrenauts” is a cross-institutional collaborative student research-creation project. We employed experimental designs from timbre perception research to generate data models that will inform the creation of new musical compositions for an atypical instrumental duo of cello and trombone, while leveraging extended techniques rarely explored in traditional musical repertoire. In this TOR module, we discuss our motivations, data collection process, similarity judgment experiment, and the resulting data we want musicians to use as a basis for their creative output.
This module offers a streamlined resource for emerging composers seeking to introduce live electronics into their instrumental orchestration practice. Accessible and user-friendly software and hardware platforms offer a pathway for emerging or (technologically curious expert) composers to experiment with electronics in a low risk, low-cost context.
The DaTE project investigated the use of dance tracking to control electroacoustic processing of acoustic timbres. To this end, the project involved a composer/ programmer, a dancer, a flautist, and a cellist, and used the UBC-developed Kinect Controlled Artistic Sensing System (KiCASS) to track the dancer and generate movement/position data. T
The purpose of the Musician’s Auditory Perception (MAP) project is to collect qualitative data via sonic ethnography in order to promote and analyze, both literally and metaphorically, (a) sonic collaboration between auditory learners, (b) modes of sound information gathering, and (c) the creative expression of musicians, while disrupting common pedagogic methods that reinforce hierarchical education practices.
Composers make use of their knowledge of different orchestration techniques in creating certain effects and sonic outcomes. These effects may be comprehended by listeners to a greater or lesser extent depending on the amount of shared understanding with the musical tradition, style of music, and other factors. In this project, we look at how the success of these effects depends on both prior knowledge and experience, and how they are perceivable by listeners. Successful orchestration is built upon the fact that regardless of the instruments used or the musical or cultural connotations of the music, they adhere to universal mechanisms of auditory perception and cognition.
From the very beginning of the piece, Sarah Hennies’s Flourish for two vibraphone players, leads us into an extraordinary, mystical, new world of sound. What is so enigmatic about this piece is that a lot of the music happens in a realm of timbre beyond what is written and what is played. Precisely and cleanly scored in minimalist fashion of single-measure repeating cells, the atmospheric reverberations produced by the vibraphone are here left to write their own counterpoint….