Their fourth album Viva la Vida or Death and All His Friends (2008), on the other hand, featured production by Brian Eno and saw Coldplay attempting to diversify their style and explore new territory.

Lyrics on the record have also been considered to be 'ruminations on Martin's doubts, fears, hopes, and loves'. Meanwhile, X&Y (2005) kept the same style, but with the addition of electronic influences and extensive use of synthesizers, having a grander scale in terms of both sound and existential themes. Two years later, A Rush of Blood to the Head (2002) was made available, being noted for having more guitar-driven (' God Put a Smile upon Your Face', 'A Whisper') and piano-driven (' Clocks', ' The Scientist') tracks than its predecessor. It drew comparisons to Oasis and Radiohead as well, showing Coldplay's alternative rock side with moody, atmospheric songs (' Don't Panic', ' Shiver' and ' Yellow'). Berryman described it as 'a quiet, polite record', with Scottish band Travis and American singer Jeff Buckley serving as primary influences. Their debut album, Parachutes, was then released in July 2000. The band released two extended plays in the late 1990s, Safety (1998) and The Blue Room (1999), with both having characteristics of dream pop that settled them apart from future releases. They explored many music styles as the years went by, developing a sound that is considered alternative rock, alternative pop, pop rock, post-Britpop, soft rock, and pop. With exception of the latter, all members are equally credited as songwriters of each track. They were formed in London by Chris Martin (lead vocals, piano), Jonny Buckland (guitar), Guy Berryman (bass guitar), Will Champion (drums, percussion) and Phil Harvey (creative direction).

British rock band Coldplay have recorded over 175 songs throughout their career.

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