# Biology – Girls Aloud: piano chords

Biology by Girls Aloud uses 4 chords in A major; difficulty on the piano: easy.

## Chords in the song

[A](https://pianokitty.com/c/Amaj), [G](https://pianokitty.com/c/Gmaj), [F#m](https://pianokitty.com/c/Fsharpm), [D](https://pianokitty.com/c/Dmaj)

## Chord sheet

- Chords in the song: A A G A G A G A G A G A G A G A G A F#m G D A F#m G D A F#m G D A F#m G D A F#m G D A F#m G D A F#m G D A F#m G D A A F#m G D A F#m G D A F#m G D A F#m G D

## Questions

### Which chords does Biology by Girls Aloud use?

Different chords: 4. They are all in the list under “Chords in the song”.

### What key is Biology by Girls Aloud in?

The chords fit A major. This is estimated from the chords, so the recording may be in another key.

### How hard is Biology to play on the piano?

Difficulty: easy. The rating counts the different chords (4), 7th and extended chords, and chords with another bass note.

[Practice this song](https://pianokitty.com/app?subject=songs&spec=A+A+G+A+G+A+G+A+G+A+G+A+G+A+G+A+G+A+F%23m+G+D+A+F%23m+G+D+A+F%23m+G+D+A+F%23m+G+D+A+F%23m+G+D+A+F%23m+G+D+A+F%23m+G+D+A+F%23m+G+D+A+A+F%23m+G+D+A+F%23m+G+D+A+F%23m+G+D+A+F%23m+G+D&seq=inOrder&title=Girls+Aloud+-+Biology)

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Chord data: [Chordonomicon](https://huggingface.co/datasets/ailsntua/Chordonomicon), [CC BY-NC 4.0](https://creativecommons.org/licenses/by-nc/4.0/). Chords are transcriptions and can differ from the recording.

https://pianokitty.com/songs/girls-aloud/biology