Chord sequence
Fm7 B♭7 E♭m7 A♭7 D♭m7 G♭7 Gdim7 A♭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 Ab minor
Chords 1 to 4
Fm7 Bb7 Ebm7 Ab7
Chords 3 to 6
Ebm7 Ab7 Dbm7 Gb7
Over Fm7 · ii7/v
Mode 6 of Major
Over Bb7 · V7/v
Mode 5 of Melodic Minor
Over Ebm7 · v7
Over Ab7 · V7/iv
Over Dbm7 · iv7
Mode 2 of Major
Over Gb7 · ♭VII7
Mode 5 of Major
Over Gdim7 · vii°7
Mode 7 of Harmonic Minor
Over Abmaj7 · Imaj7
The major scale and its modes are the most commonly used scales in western music.