One Song Piano Chords & Patterns

Learn One Song in 5 steps

The chords first, then one hand at a time. Each step plays in the player above.

1
Chords: F – Dm – Bb – Gm
One Song sits in F major: F is home, where the song ends. It goes round 4 chords: F is F, A and C; Dm is D, F and A; Bb is Bb, D and F; Gm is G, Bb and D. Play each one as a block with your right hand until the changes feel easy.
FIDmviBbIVGmii
- FF · A · C
- DmD · F · A
- BbBb · D · F
- GmG · Bb · D
20 songs go round the same chords
2
Left hand: Hopscotch steps
Step, step, skip a beat, step: like hopping over a square. Musicians call it root bass · 1 · 2 · 4 (root bass rhythm), an easy pattern heard in 668 songs of the library.
Hopscotch stepsRoot bass rhythm · PopLeft handEasy
3
Right hand: Steady chords
A full chord on every beat, steady and simple. It moves with the chords, so it fits every bar of the loop.
Steady chordsBlock chords · PopRight handEasy
4
Both hands at 110 BPM
Put the two hands together over the loop. Start at half speed with the player's speed control, and bring it up once every change is easy.
5
Ending: Gm – C7 – F
The last chords are ii – V7 – I, then one chord rolled from the bottom up, left to ring.
GmC7F
- C7C · E · G · Bb

What chords are in One Song?

The loop is F – Dm – Bb – Gm (I – vi – IV – ii) in F major, and the song ends on Gm – C7 – F.

What key is One Song in?

F major, at about 110 beats a minute in 4/4.

What does the left hand play in One Song?

Hopscotch steps: root bass · 1 · 2 · 4, an easy pattern. It follows the chords, so the same shape works for every bar.

Is One Song easy to play on piano?

Yes. Both hands play easy patterns over 4 chords. Learn the chords first, then add one hand at a time.