Super Simple Chords

Chord progression

The I–IV–I–V7 chord progression

C – F – C – G7 in C. 94 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:

CIFIVCIG7V7

In every key

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

KeyIIVIV7
CCFCG7
DbDbGbDbAb7
DDGDA7
EbEbAbEbBb7
EEAEB7
FFBbFC7
F#F#BF#C#7
GGCGD7
AbAbDbAbEb7
AADAE7
BbBbEbBbF7
BBEBF#7

Songs that go round it

94 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.

CIG7V7CIFIV

Smoke Gets In Your Eyes (from 'roberta') · Blessed Assurance · For The Beauty Of The Earth

Questions about I–IV–I–V7

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

A loop of 4 chords: C – F – 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–IV–I–V7 progression?

94 songs in the library repeat it, including O Holy Night, Happy Birthday To You, The Ash Grove, The Walk and My Country, ’tis Of Thee.

How do I play I–IV–I–V7 on piano?

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