Chord sequence

Dm7, Eb7, Abmaj7, B7, Emaj7, G7, Cmaj7

Dm7 E♭7 A♭maj7 B7 Emaj7 G7 Cmaj7

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

Dm7
Eb7
Abmaj7
B7
Emaj7
G7
Cmaj7

Analysis

Heard in C major

Each chord's roman numeral and role in C major
Chord	Numeral	Role
Dm7	ii7	Subdominant
E♭7	V7/♭VI	Secondary dominant of bVI
A♭maj7	♭VImaj7	Borrowed from C minor
B7	V7/III	Secondary dominant of III
Emaj7	?	Outside the key (IIImaj7)
G7	V7	Dominant
Cmaj7	Imaj7	Tonic

Progressions in these changes

All the chords

Coltrane Changes in C

John Coltrane's substitution for a ii-V-I: the music passes through three keys a major third apart, I, bVI and III, each reached by its own dominant, before arriving home.

Scales to play