pitches

Structured representation of musical pitches, notes and intervals for for equal-tempered scale, A₄ = 440 Hz.

to do

Support for other tunings (other base frequency for A₄).

see also

Frequencies of Musical Notes, A4 = 440 Hz

The Use of Cents for Expressing Musical Intervals

lib.rs:

Structured representation of musical pitches, notes and intervals for for equal-tempered scale, A₄ = 440 Hz.