About “O”

What key is the piano accompaniment for "O" by Coldplay in?

The backing track is in Eb at 68 BPM. If that doesn't sit in your vocal range, use the live transpose control to shift up or down semitones — the accompaniment moves with the new key automatically.

Can I sing over "O" with this accompaniment?

Yes — that's exactly what it's built for. The vocal melody is muted by default so you can sing freely. Need a pitch reference? Tap the mic icon to bring the melody back in at a lower volume.

Is this a karaoke version of "O"?

Effectively yes — it's the piano-only backing for "O", with no vocals. You can also slow it down to practice tricky verses, then bring it back to full tempo.

Can I use "O" as a backing track for my instrument?

Absolutely. Singers, guitarists, violinists, wind players, and instrumental practice in general all work — the piano holds the harmony so you can carry the melody on whatever instrument you play.

Can I download the accompaniment for "O"?

Yes — registered users can download MIDI + MusicXML (open in any notation software). PDF sheet music is also available for the full arrangement.

Who wrote "O"?

"O" was originally performed by Coldplay. This piano accompaniment is an arrangement of that song, designed for sing-along and play-along use.

What other backing tracks by Coldplay are available?

Other accompaniments by Coldplay: "Adventure Of A Lifetime", "A Head Full Of Dreams", "Always In My Head". Same toggle-the-melody, change-the-key setup.