Chord sequence

Ebm7, Ab7, Dbmaj7, Bb7

E♭m7 A♭7 D♭maj7 B♭7

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
Dbmaj7
Bb7

Analysis

Heard in Db major

Each chord's roman numeral and role in Db major
Chord	Numeral	Role
E♭m7	ii7	Subdominant
A♭7	V7	Dominant
D♭maj7	Imaj7	Tonic
B♭7	V7/ii	Secondary dominant of ii

Progressions in these changes

Chords 1 to 3

Major ii-V-I Progression in Db

Ebm7 Ab7 Dbmaj7

Scales to play