Chord sequence

Ebm7, Ab7, Bbmaj7

E♭m7 A♭7 B♭maj7

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

Ebm7
Ab7
Bbmaj7

Analysis

Heard in Bb major

Each chord's roman numeral and role in Bb major
Chord	Numeral	Role
E♭m7	iv7	Borrowed from Bb minor
A♭7	♭VII7	Borrowed from Bb minor
B♭maj7	Imaj7	Tonic

Progressions in these changes

All the chords

Backdoor ii-V-I Progression in Bb

A ii-V that comes in by the back door: iv7 and bVII7, borrowed from the parallel minor, resolving up a whole step to the major I instead of down a fifth.

Scales to play