Chord sequence
Fm7 G♭7 Bmaj7 D7 Gmaj7 B♭7 E♭maj7
In every key
Four-note rootless voicings in their two forms, with the 3rd or the 7th on the bottom, played over the root.
Heard in Eb major
All the chords
John Coltrane's substitution for a ii-V-I: the music passes through three keys a major third apart, I, bVI and III, each reached by its own dominant, before arriving home.
Over Fm7 · ii7
Mode 2 of Major
Over Gb7 · V7/♭VI
Mode 4 of Melodic Minor
Over Bmaj7 · ♭VImaj7
Mode 4 of Major
Over D7 · V7/III
Mode 6 of Blues
Over Gmaj7 · ?
The major scale and its modes are the most commonly used scales in western music.
Over Bb7 · V7
Mode 5 of Major
Over Ebmaj7 · Imaj7