404 Royalty-Free Audio Tracks for "Equal Temperament"

24-tet scale on C (50 cent steps). Easley Blackwood, Jr.'s notation for 24 equal temperament. As only "ups" are used, there are no three-quarter flats and quarter flats are enharmonically spelled (Dd = C#↑). Pitches are split into two groups of 12. MIDI pitch bend is correct for intervals.

5 7 9 chord on E, eight steps in the octave. Other non-octave tunings investigated by Bohlen besides the Bohlen-Pierce scale include eight steps in the octave, based on 5:7:9 and of which only the just version would be used. Traditional notation: E B♭ D.

Regular diatonic tuning 72-tone. A regular diatonic tuning is five "whole tones", T, and two half tones, S, arranged in any rotation of TTSTTTS. In 12-tone, T=200 cents and S=100 cents. In 72-tone, T=233.3 cents and S=16.6. This is that scale: C = 0 D = 233.3 E# = 466.6 F# = 483.3 G = 716.6 A = 950 B# = 1183.3 C = 1200

*Beta scale 15 steps on C. (3:2)15/11 : 1 = 957.21 cents. MIDI pitch bend: 39,82 on M6 MIDI.