DmiiCIDmiiCI
River · Time After Time · Somewhere Only We Know
Chord progression
The I–ii–I–ii chord progression
C – Dm – C – Dm in C. 164 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:
CIDmiiCIDmii
- CC · E · G
- DmD · F · A
In every key
Find your song's key on the left: its chords are the row. Each column keeps its colour, whatever the key.
KeyIiiIii
CCDmCDm
DbDbEbmDbEbm
DDEmDEm
EbEbFmEbFm
EEF#mEF#m
FFGmFGm
F#F#G#mF#G#m
GGAmGAm
AbAbBbmAbBbm
AABmABm
BbBbCmBbCm
BBC#mBC#m
Songs that go round it
164 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.
Questions about I–ii–I–ii
What is the I–ii–I–ii chord progression?
A loop of 4 chords: C – Dm – C – Dm 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–ii progression?
164 songs in the library repeat it, including How Far I'll Go, Wake Me Up Before You Go-Go, The Fool On The Hill, Meditation (Meditacao) and Trashin’ The Camp.
How do I play I–ii–I–ii on piano?
Hold each chord with the right hand while the left hand plays its root, then swap in a pattern: pop heartbeat is the left hand these songs use most. The player above plays it in any style and key.