"Trouble" is a song by British rock band Coldplay, for their debut album, Parachutes (2000). The band wrote and co-produced it with British record producer Ken Nelson. The song's arrangement is built around the acoustic piano. It was released on 23 October 2000 as the album's third single, reaching number 10 on the UK Singles Chart and becoming the band's second top 10 single in the country. Although "Trouble" failed to chart in the United States, the music press deemed it almost as successful as its predecessor, "Yellow".

"Yellow" is a song by the British rock band Coldplay. The band wrote the song and co-produced it with British record producer Ken Nelson for their debut album, Parachutes (2000). The song was released on 26 June 2000 as the second UK single from Parachutes, following "Shiver", and as the lead single in the United States.