Chord sequence

Am7, Bb7, Ebmaj7, F#7, Bmaj7, D7, Gmaj7

Am7 B♭7 E♭maj7 F♯7 Bmaj7 D7 Gmaj7

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

Am7
Bb7
Ebmaj7
F#7
Bmaj7
D7
Gmaj7

Analysis

Heard in G major

Each chord's roman numeral and role in G major
Chord	Numeral	Role
Am7	ii7	Subdominant
B♭7	V7/♭VI	Secondary dominant of bVI
E♭maj7	♭VImaj7	Borrowed from G minor
F♯7	V7/III	Secondary dominant of III
Bmaj7	?	Outside the key (IIImaj7)
D7	V7	Dominant
Gmaj7	Imaj7	Tonic

Progressions in these changes

All the chords

Coltrane Changes in G

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