Percussion: The Orchestra: A User's Manual — Andrew Hugill
“The aim of The Orchestra: A User's Manual is to provide information about the orchestra, orchestration, composition and instruments, for the benefit of anybody with an interest in the subject.”
Timpani: Brief Description — Vienna Symphonic Library
“The kettledrum, or timpani, an established member of the symphony orchestra since the 17th century, is the percussion instrument with the longest tradition.”
Timpani: Instrument Studies for Eyes and Ears — Jacobs School of Music
Instrument Studies for Eyes and Ears, by Don Freund, site designed by Reid Merzbacher
Timpani: The Orchestra Up Close — Orchestre Métropolitain
“A timpanist usually has four drums in front of them and uses different sticks to create the wide range of sounds required by the repertoire.”