The I–IV–I–V chord progression

Country two-step. Simple, bouncy and easy to sing over.

Quick answer

I–IV–I–V in G major is G C G D.

Key

What the I–IV–I–V progression sounds like

Simple, bouncy and easy to sing over. In G major it's G C G D.

You'll find it in Country, Folk songwriting.

Scales that fit I–IV–I–V

Over this progression in G, the best-fitting scales are G Major (Ionian), D Mixolydian, G Lydian. Put your own chords into the scale finder to see more.

I–IV–I–V in every key

The I–IV–I–V progression in all 12 major keys
Key	Chords
C major	C F C G
G major	G C G D
D major	D G D A
A major	A D A E
E major	E A E B
B major	B E B F#
F# major	F# B F# C#
Db major	Db Gb Db Ab
Ab major	Ab Db Ab Eb
Eb major	Eb Ab Eb Bb
Bb major	Bb Eb Bb F
F major	F Bb F C

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Common questions

What are the chords in the I–IV–I–V progression?

In G major the I–IV–I–V progression is G C G D. The pattern is the same in every key; the table above lists all 12.

What scale goes with I–IV–I–V?

In G, the G Major (Ionian) fits best. D Mixolydian and G Lydian add different colors.

Last updated November 14, 2026.