Chord sequence
Em7 A7 E♭m7 A♭7 Fm7 B♭7 Cmaj7
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 C major
Chords 1 to 2
Em7 A7
Chords 3 to 4
Ebm7 Ab7
Chords 5 to 7
Fm7 Bb7 Cmaj7
Over Em7 · iii7
Mode 6 of Major
Over A7 · V7/ii
Mode 6 of Blues
Over Ebm7 · ♭iii7
Mode 2 of Major
Over Ab7 · ♭VI7
Mode 4 of Melodic Minor
Over Fm7 · iv7
Over Bb7 · ♭VII7
Over Cmaj7 · Imaj7
The major scale and its modes are the most commonly used scales in western music.