Kasabian are an English rock band formed in Leicester in 1997. The band's original members were vocalist Tom Meighan, guitarist and vocalist Sergio Pizzorno, guitarist Chris Karloff, and bassist Chris Edwards. The band's line-up was completed by drummer Ian Matthews in 2004 after a string of session drummers. Karloff left the band in 2006 and founded a new band called Black Onassis. Jay Mehler joined as touring lead guitarist in 2006.