Chord sequence
A♯m7♭5 D♯7alt Bm7 E7 F♯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 F# major
Chords 1 to 2
A#m7b5 D#7alt
Chords 3 to 5
Bm7 E7 F#maj7
Over A#m7b5 · iiiø7
Mode 7 of Major
Over D#7alt · V7alt/ii
Mode 7 of Melodic Minor
Over Bm7 · iv7
Mode 2 of Major
Over E7 · ♭VII7
Mode 4 of Melodic Minor
Over F#maj7 · Imaj7
The major scale and its modes are the most commonly used scales in western music.