I–ii–IV–V in G Major

Pattern: I – ii – IV – V Chords: G – Am – C – D

Chord Breakdown

Numeral	Chord	Type	Function
I	G (details)	major	Tonic
ii	Am (details)	minor	Supertonic
IV	C (details)	major	Subdominant
V	D (details)	major	Dominant

Harmonic Analysis

This progression moves through G (Tonic) → Am (Supertonic) → C (Subdominant) → D (Dominant).

This progression creates a sense of escalating energy by stepping from the tonic through the supertonic and subdominant to the dominant. It provides a satisfying, gradual harmonic build popular in verse sections.

Song Examples

Take Me Home, Country Roads — John Denver
Crocodile Rock — Elton John

Chord Details

G Am C D

More Progressions in G 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