Chord sequence

Am7, Ab7, Gmaj7

Am7 A♭7 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
Ab7
Gmaj7

Analysis

Heard in G major

Each chord's roman numeral and role in G major
Chord	Numeral	Role
Am7	ii7	Subdominant
A♭7	subV7	Tritone substitute for V7
Gmaj7	Imaj7	Tonic

Progressions in these changes

All the chords

Tritone Sub ii-V-I Progression in G

The ii-V-I with a tritone substitute: bII7 in place of V7, so the bass falls by half steps from ii to I.

Scales to play