Super Simple Chords

Chord progression

The I–IV7–I–IV7 chord progression

C – F7 – C – F7 in C. 24 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:

CIF7IV7CIF7IV7

In every key

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

KeyIIV7IIV7
CCF7CF7
DbDbGb7DbGb7
DDG7DG7
EbEbAb7EbAb7
EEA7EA7
FFBb7FBb7
F#F#B7F#B7
GGC7GC7
AbAbDb7AbDb7
AAD7AD7
BbBbEb7BbEb7
BBE7BE7

Songs that go round it

24 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–IV7–I–IV7

What is the I–IV7–I–IV7 chord progression?

A loop of 4 chords: C – F7 – C – F7 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–IV7–I–IV7 progression?

24 songs in the library repeat it, including East Of The Sun, I Got It Bad And That Ain’t Good, A Rose And A Baby Ruth, Don't Go Breaking My Heart and Got A Lot O’ Livin’ To Do.

How do I play I–IV7–I–IV7 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.