Bbm7, D#7, Bm7, E7 in A

Tempo 120 BPM

Rootless Shells Guide tones Rooted shells Rooted Drop 2

Four-note rootless voicings in their two forms, with the 3rd or the 7th on the bottom, played over the root.

Customize each chord

Analysis

Heard in A major

Each chord's roman numeral and role in A major
Chord	Numeral	Role
B♭m7	♭ii7	ii of the ii-V to D#7
D♯7	V7/vii	Secondary dominant, unresolved
Bm7	ii7	Subdominant
E7	V7	Dominant