Chord sequence
Fm7 B♭m7 Fm7 D♭7 G♭7♯11 Fm7 Gm7♭5 G♭7♯11
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 F minor
Over Fm7 · i7
Mode 2 of Major
Over Bbm7 · iv7
Over Db7 · ♭VI7
Mode 4 of Melodic Minor
Over Gb7#11 · subV7♯11
Over Gm7b5 · iiø7
Mode 7 of Major