Super Simple Chords

Chord progression

The I–I7–I–I7 chord progression

C – C7 – C – C7 in C. 20 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:

CIC7I7CIC7I7

In every key

Find your song's key on the left: its chords are the row. Tap a key to play the loop in it. Each column keeps its colour, whatever the key.

KeyII7II7
CC7CC7
DbDb7DbDb7
DD7DD7
EbEb7EbEb7
EE7EE7
FF7FF7
F#F#7F#F#7
GG7GG7
AbAb7AbAb7
AA7AA7
BbBb7BbBb7
BB7BB7

Songs that go round it

20 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.

Questions about I–I7–I–I7

What is the I–I7–I–I7 chord progression?

A loop of 4 chords: C – C7 – C – C7 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–I7–I–I7 progression?

20 songs in the library repeat it, including Don’t Rain On My Parade, Big Yellow Taxi, That Old Black Magic, Can The Circle Be Unbroken and Poetry Man.

How do I play I–I7–I–I7 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.