Chord sequence

Abmaj7, Fm7, Bbm7, Eb7

A♭maj7 Fm7 B♭m7 E♭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

Abmaj7
Fm7
Bbm7
Eb7

Analysis

Heard in Ab major

Each chord's roman numeral and role in Ab major
Chord	Numeral	Role
A♭maj7	Imaj7	Tonic
Fm7	vi7	Diatonic
B♭m7	ii7	Subdominant
E♭7	V7	Dominant

Progressions in these changes

All the chords

Major I-vi-ii-V Progression in Ab

The basic turnaround: diatonic chords falling in fifths from vi back to I, two to a bar, to bring a tune back to the top.

Scales to play