Super Simple Chords

Chord progression

The I–V7–I–IV chord progression

C – G7 – C – F in C. 69 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:

CIG7V7CIFIV

In every key

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

KeyIV7IIV
CCG7CF
DbDbAb7DbGb
DDA7DG
EbEbBb7EbAb
EEB7EA
FFC7FBb
F#F#C#7F#B
GGD7GC
AbAbEb7AbDb
AAE7AD
BbBbF7BbEb
BBF#7BE

Songs that go round it

69 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–IV

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

A loop of 4 chords: C – G7 – C – F 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–IV progression?

69 songs in the library repeat it, including Smoke Gets In Your Eyes (from 'roberta'), Blessed Assurance, For The Beauty Of The Earth, All At Once You Love Her and Believe Me, If All Those Endearing Young Charms.

How do I play I–V7–I–IV on piano?

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