Piano chords · Rock drive
How to play Doubleback on piano
By ZZ Top
- C minor
- 4/4
- 100 BPM
- 1990
- Medium
Learn Doubleback in 5 steps
The chords first, then one hand at a time. Each step plays in the player above.
- 1
Chords: Eb – F – C – F
Doubleback sits in C minor: C is home, where the song ends. It goes round 4 chords: Eb is Eb, G and Bb; F is F, A and C; C is C, E and G. Play each one as a block with your right hand until the changes feel easy.
EbIIIFIVCIFIV- EbEb · G · Bb
- FF · A · C
- CC · E · G
- 2
Left hand: Engine 8ths
The lowest note on every eighth: the engine of rock. Musicians call it root bass · 8ths (root bass rhythm), a medium pattern heard in thousands of songs of the library.
- 3
Right hand: Sprint-and-stop chords
Four quick chords in the first half, then a calm, empty second half. It moves with the chords, so it fits every bar of the loop.
- 4
Both hands at 100 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: Ab – Bb – Cm
The last chords are bVI – bVII – i, then one chord rolled from the bottom up, left to ring.
AbBbCm- AbAb · C · Eb
- BbBb · D · F
- CmC · Eb · G
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Questions about Doubleback
What chords are in Doubleback?
The loop is Eb – F – C – F (bIII5 – IV5 – I5 – IV5) in C minor, and the song ends on Ab – Bb – Cm.
What key is Doubleback in?
C minor, at about 100 beats a minute in 4/4.
What does the left hand play in Doubleback?
Engine 8ths: root bass · 8ths, a medium pattern. It follows the chords, so the same shape works for every bar.
Is Doubleback easy to play on piano?
It is a medium one: learn the 4 chords as blocks first, then add the left hand, then the right, slowly.
Made from one arrangement of this song: the left and right hands are the patterns these scores repeat most.