Chord sequence

Ebm7, Bb7, Amaj7, Gb7, Fmaj7, D7, Dbmaj7

E♭m7 B♭7 Amaj7 G♭7 Fmaj7 D7 D♭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
Bb7
Amaj7
Gb7
Fmaj7
D7
Dbmaj7

Analysis

Heard in Db major

Each chord's roman numeral and role in Db major
Chord	Numeral	Role
E♭m7	ii7	Subdominant
B♭7	subV7/♭VI	Tritone substitute for V7/bVI
Amaj7	♭VImaj7	Borrowed from Db minor
G♭7	subV7/III	Tritone substitute for V7/III
Fmaj7	?	Outside the key (IIImaj7)
D7	subV7	Tritone substitute for V7
D♭maj7	Imaj7	Tonic

Scales to play