Coldplay are a alternative rock band formed in London; England in 1997. The group comprises vocalist pianist guitarist Chris Martin; lead guitarist Jonny Buckland; bassist Guy Berryman; and drummer multi-instrumentalist Will Champion. Coldplay have sold 32.5 million albums; and are also known for their hit singles; such as -Yellow-; -The Scientist-; -Speed of Sound-; -Fix You-; -Viva la Vida- and the Grammy Award-winning -Clocks-.Coldplay achieved worldwide fame with the release of their single -Yellow-; followed by their debut album; Parachutes (2000); which was nominated for the Mercury Prize. Its follow-up; A Rush of Blood to the Head (2002). "Prospekt's March/Poppyfields" are two songs by alternative rock band Coldplay that are included on the same track. They were written by all members of the band for their fourth album, Viva la Vida or Death and All His Friends but neither song made it to the final setlist, so they ended up on the Prospekt's March EP. The song "Prospekt's March" is built around acoustic guitars, an atmospheric synthesizer and vocals. The second song, "Poppyfields" is a short instrumental.Coldplay are a alternative rock band.