Chord sequence
Cm7 F7 G♭dim7 Gm7
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 G minor
Chords 1 to 2
Cm7 F7
Over Cm7 · iv7
Mode 2 of Major
Over F7 · ♭VII7
Mode 5 of Major
Over Gbdim7 · ♭i°7
Mode 7 of Harmonic Minor
Over Gm7 · i7