I–IV–V–IV in A Major

Pattern: I – IV – V – IV   Chords: A – D – E – D

Chord Breakdown

NumeralChordTypeFunction
I A (details) major Tonic
IV D (details) major Subdominant
V E (details) major Dominant
IV D (details) major Subdominant

Harmonic Analysis

This progression moves through A (Tonic) → D (Subdominant) → E (Dominant) → D (Subdominant).

This four-bar loop cycles through the three primary blues chords in a symmetrical pattern. The ascending motion to V and descent back to IV creates a rocking, cyclical groove used extensively in blues rock.

Song Examples

Chord Details

More Progressions in A Major