Kasabian are an English rock band formed in Leicestershire in 1997. Originally comprising vocalist Tom Meighan, guitarist and keyboardist Christopher Karloff, guitarist and backing, occasional lead vocalist Sergio Pizzorno and bassist Chris Edwards, the band has released four studio albums Ô Kasabian (2004), Empire (2006), West Ryder Pauper Lunatic Asylum (2009), and Velociraptor! (2011). The band currently features Meighan, Pizzorno, Edwards, and drummer Ian Matthews. Pizzorno has become Kasabian's lead songwriter since Karloff's departure.