Clean Bandit are a British electronic music group formed in Cambridge in 2008. The band consists of Grace Chatto, Jack Patterson and Luke Patterson. Their 2010 single "Mozart's House" reached number 17 on the UK Singles Chart when re-released in 2013. In January 2014, they scored their first UK chart topping single with "Rather Be", a collaboration with Jess Glynne, featuring elements of both classical and dance music. They also reached number 10 on the US Billboard Hot 100. In 2015, "Rather Be" won the Grammy Award for Best Dance Recording. Their 2016 single "Rockabye", which features rapper Sean Paul and singer Anne-Marie, became their second number-one hit in the UK, becoming the Christmas number one single for 2016 in its seventh consecutive week at number-one. The song became an international chart topper for the band, and also charted at number 9 in the US. Clean Bandit have sold over 13 million singles and 1.6 million albums worldwide.