I–V–IV–I in D Major

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

Chord Breakdown

Numeral	Chord	Type	Function
I	D (details)	major	Tonic
V	A (details)	major	Dominant
IV	G (details)	major	Subdominant
I	D (details)	major	Tonic

Harmonic Analysis

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

This circular progression leaves the tonic, peaks at the dominant, descends through the subdominant, and returns home. It creates a satisfying round-trip journey common in folk singalongs.

Song Examples

Country Roads — John Denver
Leaving on a Jet Plane — John Denver

Chord Details

D A G

More Progressions in D 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