Clean Bandit are a British electronic group formed in 2009 . The band consists of Jack Patterson (bass guitar, keyboard), Luke Patterson (drums), Grace Chatto (cello) & Milan Neil Amin-Smith (violin). Their sound can be described as a "fusion" between classical and electronial music. They produce their own music whilst inviting guest singers on their tracks. To date they have found their biggest hits inlude Mozart's House and the massive UK number one single, "Rather Be" with singer Jess Glynne.