CIFIVCIDmii
Red, Red Wine · If I Only Had A Brain · Starlight Express
Chord progression
The I–ii–I–IV chord progression
C – Dm – C – F in C. 57 songs in the library go round it. Hear it in any style and key, and see it in all twelve keys.
Tuning the piano…
Want to mix it with other hands?
The loop
4 chords, round and round, in C. Each chord on the keys:
CIDmiiCIFIV
- CC · E · G
- DmD · F · A
- FF · A · C
In every key
Find your song's key on the left: its chords are the row. Each column keeps its colour, whatever the key.
KeyIiiIIV
CCDmCF
DbDbEbmDbGb
DDEmDG
EbEbFmEbAb
EEF#mEA
FFGmFBb
F#F#G#mF#B
GGAmGC
AbAbBbmAbDb
AABmAD
BbBbCmBbEb
BBC#mBE
Songs that go round it
57 songs, best known first. Rest the mouse on one to hear it.
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.
FIVCIDmiiCI
They Can't Take That Away From Me · God Only Knows · Homeward Bound
DmiiCIFIVCI
Breathe · Jesus, What A Beautiful Name · Reeling In The Years
Questions about I–ii–I–IV
What is the I–ii–I–IV chord progression?
A loop of 4 chords: C – Dm – 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–ii–I–IV progression?
57 songs in the library repeat it, including Uptown Girl, Longer, How Deep The Father’s Love For Us, There Is A Redeemer and Abc.
How do I play I–ii–I–IV on piano?
Hold each chord with the right hand while the left hand plays its root, then swap in a pattern: lazy footsteps is the left hand these songs use most. The player above plays it in any style and key.