set theory
branch of music theory that categorizes musical objects and describes their relationships by using sets and permutations of pitches and pitch classes, rhythmic onsets, beat classes, etc.
en-US/ˈsɛt ˌθiəˌɹi/
en-GB/ˈsɛt θɪəɹiː/
branch of music theory that categorizes musical objects and describes their relationships by using sets and permutations of pitches and pitch classes, rhythmic onsets, beat classes, etc.