Auditory grouping processes and the resulting perceptual qualities and corresponding orchestral effects. [Adapted from Goodchild and McAdams 2021, Fig. 1]

Timbral heterogeneity (sustained, stable): Debussy, La Mer, iii, mm. 183–186.

Timbral heterogeneity (punctuated): Tchaikovsky, Nutcracker Suite, op. 71a, i, mm. 181–182