Chord sequence
A♭m7♭5 G7♯11 G♭m6
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 Gb minor
Over Abm7b5 · iiø7
Mode 7 of Major
Over G7#11 · subV7♯11
Mode 4 of Melodic Minor
Over Gbm6 · i6
The melodic minor scale is similar to the major scale with only one difference - it use...