Chord sequence
Emaj7 Fdim7 F♯m7 F7
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 E major
Over Emaj7 · Imaj7
The major scale and its modes are the most commonly used scales in western music.
Over Fdim7 · ♭ii°7
Mode 7 of Harmonic Minor
Over F#m7 · ii7
Mode 2 of Major
Over F7 · subV7
Mode 4 of Melodic Minor