Chord sequence
Gm7♭5 C7 Fm7 E7 E♭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 Eb major
Chords 1 to 3
Gm7b5 C7 Fm7
Chords 3 to 5
Fm7 E7 Ebmaj7
Over Gm7b5 · iiø7/ii
Mode 7 of Major
Over C7 · V7/ii
Mode 5 of Melodic Minor
Over Fm7 · ii7
Mode 2 of Major
Over E7 · subV7
Mode 4 of Melodic Minor
Over Ebmaj7 · Imaj7
The major scale and its modes are the most commonly used scales in western music.