# 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.

**Wikidata**: [Q7456314](https://www.wikidata.org/wiki/Q7456314)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Set_theory_(music))  
**Source**: https://4ort.xyz/entity/set-theory-q7456314