ii–V–I–vi in A♭ Major

Pattern: ii – V – I – vi Chords: Bbm – E♭ – A♭ – Fm

Chord Breakdown

Numeral	Chord	Type	Function
ii	Bbm (details)	minor	Supertonic
V	E♭ (details)	major	Dominant
I	A♭ (details)	major	Tonic
vi	Fm (details)	minor	Submediant

Harmonic Analysis

This progression moves through Bbm (Supertonic) → E♭ (Dominant) → A♭ (Tonic) → Fm (Submediant).

A reordering of the classic turnaround that begins with the ii–V resolution before cycling back via the vi chord. This creates a seamless loop ideal for repeated choruses and improvisation.

Song Examples

Rhythm Changes (bridge) — George Gershwin
Oleo — Sonny Rollins

Chord Details

Bbm E♭ A♭ Fm

More Progressions in A♭ Major

I–IV–V–I I–V–vi–IV I–vi–IV–V ii–V–I I–IV–V I–♭VII–IV vi–IV–I–V I–V–vi–iii–IV–I–IV–V I–IV I–V IV–V IV–I