I–ii–iii–IV in A Major

Pattern: I – ii – iii – IV Chords: A – Bm – C♯m – D

Chord Breakdown

Numeral	Chord	Type	Function
I	A (details)	major	Tonic
ii	Bm (details)	minor	Supertonic
iii	C♯m (details)	minor	Mediant
IV	D (details)	major	Subdominant

Harmonic Analysis

This progression moves through A (Tonic) → Bm (Supertonic) → C♯m (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 Bm C♯m 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