Coldplay is a city.
Coldplay are a British rock band formed in 1996 by lead vocalist and keyboardist Chris Martin and lead guitarist Jonny Buckland at University College London ( UCL ) . The band 's second album , A Rush of Blood to the Head ( 2002 ) , was released to critical acclaim and won awards including NME 's Album of the Year . In December 2009 , Rolling Stone readers voted the group the fourth-best artist of the 2000s .