Super Simple Chords

Chord progression

The I–VI7–II7–V7 chord progression

C – A7 – D7 – G7 in C. 19 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:

CIA7VI7D7II7G7V7

In every key

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

KeyIVI7II7V7
CCA7D7G7
DbDbBb7Eb7Ab7
DDB7E7A7
EbEbC7F7Bb7
EEC#7F#7B7
FFD7G7C7
F#F#D#7G#7C#7
GGE7A7D7
AbAbF7Bb7Eb7
AAF#7B7E7
BbBbG7C7F7
BBG#7C#7F#7

Songs that go round it

19 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–VI7–II7–V7

What is the I–VI7–II7–V7 chord progression?

A loop of 4 chords: C – A7 – D7 – 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–VI7–II7–V7 progression?

19 songs in the library repeat it, including No One's Gonna Love You Like Me, Good King Wenceslas, Ballin' The Jack, Bye Bye Blues and K-K-K-Katy.

How do I play I–VI7–II7–V7 on piano?

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