I–ii–iii–IV–V in G Major

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

Chord Breakdown

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

Harmonic Analysis

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

A stepwise ascending motion through the first five diatonic chords. The rising bass line creates a strong sense of building energy and forward momentum, often used in intros and verses.

Song Examples

Joy Spring — Clifford Brown
Solar — Miles Davis

Chord Details

G Am Bm 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