Chord sequence
Fm7 B♭7 Em7 A7 E♭m7 D7 D♭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 Db major
Chords 1 to 2
Fm7 Bb7
Chords 3 to 4
Em7 A7
Chords 5 to 7
Ebm7 D7 Dbmaj7
Over Fm7 · iii7
Mode 6 of Major
Over Bb7 · V7/ii
Mode 6 of Blues
Over Em7 · ♭iii7
Mode 2 of Major
Over A7 · ♭VI7
Mode 4 of Melodic Minor
Over Ebm7 · ii7
Over D7 · subV7
Over Dbmaj7 · Imaj7
The major scale and its modes are the most commonly used scales in western music.