*Pythagorean comma on C = B♯+++ (Ben Johnston's notation). 531441:524288 = 23.460010 cents. Limit: 3-limit. MIDI pitch bend: 65,71 (23.461914 cents) The note de picted as lower on the staff (B♯+++) is slightly higher in pitch (than C♮).
16-tet scale on C (75 cent steps). Easley Blackwood, Jr.'s notation for 16 equal temperament. Intervals are notated similarly to those they approximate and there are fewer enharmonic equivalents. MIDI pitch bend appears to match intervals (0,56, etc.).
*Octave and septimal chromatic semitone on C = D♭ (Ben Johnston's notation). Just: 21:10 = 1284.47 cents. Limit: 7-limit. Created by Hyacinth (talk) using Sibelius 5 with midi pitch bend on 4,91 for 1284.472656 cents rather than 1200.
21-tet scale on C (57.14 cent steps). Easley Blackwood, Jr.'s notation for 21 equal temperament. Intervals are notated similarly to those they approximate and there are distinct enharmonic equivalents (E-sharp-down = F-down). MIDI pitch bend matches intervals.
Secondary dominant with barbershop seventh chords. V/V - V - I in F major (G7-C7-F). Derived from [1]. In just intonation. Sevenths are harmonic sevenths, and the F in the first measure is 27.26 cents lower than the F in the third measure. Pitch bend matches intervals.
