Super Simple Chords

Chord progression

The I–V7–I–V7 chord progression

C – G7 – C – G7 in C. 222 songs in the library go round it. Hear it in any style and key, and see it in all twelve keys.

Tuning the piano…
Style
Key

Want to mix it with other hands?

The loop

4 chords, round and round, in C. Each chord on the keys:

CIG7V7CIG7V7

In every key

Find your song's key on the left: its chords are the row. Each column keeps its colour, whatever the key.

KeyIV7IV7
CCG7CG7
DbDbAb7DbAb7
DDA7DA7
EbEbBb7EbBb7
EEB7EB7
FFC7FC7
F#F#C#7F#C#7
GGD7GD7
AbAbEb7AbEb7
AAE7AE7
BbBbF7BbF7
BBF#7BF#7

Songs that go round it

222 songs, best known first. Rest the mouse on one to hear it.

All of them

Left hands these songs use

The patterns most often played under this loop.

The same loop, starting elsewhere

The same chords in the same order, begun on another chord: songs often move between them.

Questions about I–V7–I–V7

What is the I–V7–I–V7 chord progression?

A loop of 4 chords: C – G7 – C – G7 in C. The numerals say each chord's place in the key, so the same loop can be played in any key.

What songs use the I–V7–I–V7 progression?

222 songs in the library repeat it, including I Have Dreamed, Ring, Ring, I Have A Dream, Rockin' Around The Christmas Tree and Round And Round.

How do I play I–V7–I–V7 on piano?

Hold each chord with the right hand while the left hand plays its root, then swap in a pattern: stair steps is the left hand these songs use most. The player above plays it in any style and key.