8 notes · a ♭9, ♯9 and ♯11 over a natural 13
Eight notes: half step, whole step, repeated.
a ♭9, ♯9 and ♯11 over a natural 13
Every degree builds a dim7, and two dim7 chords make up the whole scale.
Chords on Bb made only of these notes.
Shows each chord the way this style would voice it, and marks which of its alternatives belong to the idiom.