"Clocks" is a song by British rock band Coldplay, released on 17 March 2003 via Parlophone Records in the United Kingdom. It was written and composed as a collaboration among all the members of the band for their second album, A Rush of Blood to the Head. The song is built around a piano riff, and features cryptic lyrics concerning themes of contrast and urgency. Several remixes of the track exist, and its riff has been widely sampled.

Christopher Anthony John Martin is an English singer, songwriter, musician, producer and philanthropist. He is best known as the vocalist, pianist and co-founder of the rock band Coldplay.