I–ii–iii–IV in A♭ Major

Pattern: I – ii – iii – IV Chords: A♭ – Bbm – Cm – D♭

Chord Breakdown

Numeral	Chord	Type	Function
I	A♭ (details)	major	Tonic
ii	Bbm (details)	minor	Supertonic
iii	Cm (details)	minor	Mediant
IV	D♭ (details)	major	Subdominant

Harmonic Analysis

This progression moves through A♭ (Tonic) → Bbm (Supertonic) → Cm (Mediant) → D♭ (Subdominant).

This stepwise ascending progression walks up the scale from I through ii and iii to IV. The steady upward motion creates a sense of building anticipation and emotional lift.

Song Examples

Here, There and Everywhere — The Beatles
More Than Words — Extreme

Chord Details

A♭ Bbm Cm D♭

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