Chord sequence
Fm7 B♭m7 Fm7 D♭7 C7alt Fm7 G♭dim7 Gm7♭5 C7alt
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
Chords 8 to 9
Gm7b5 C7alt
Over Fm7 · i7
Mode 2 of Major
Over Bbm7 · iv7
Over Db7 · ♭VI7
Mode 4 of Melodic Minor
Over C7alt · V7alt
Mode 7 of Melodic Minor
Over Gbdim7 · ♭ii°7
Mode 7 of Harmonic Minor
Over Gm7b5 · iiø7
Mode 7 of Major