Expand description
How many distinct transpositions a set of pitches has: music21’s
analysis.transposition.
A set is transposed up by each of the twelve semitones, and the transpositions are told apart by their normal orders. An augmented triad has four, since every fourth transposition lands on itself:
+0 [0,4,8] +1 [1,5,9] +2 [2,6,10] +3 [3,7,11] +4 [0,4,8] ...Structs§
- Transposition
Checker - A set of pitches and its transpositions: music21’s
TranspositionChecker.