Clean Bandit, an English Grammy-winning electronic music group formed in Cambridge in 2008, has achieved four number 1 hits and ten top 10 hits on the UK Singles Chart. They direct and produce their own music videos, with three—'Symphony’, ‘Rockabye’ and ‘Solo’ —each surpassing 1 billion views on YouTube; ‘Rockabye’ has over 3 billion views. The group consists of classically trained cellist Grace Chatto and brothers Jack and Luke Patterson. Jack, the principal songwriter, has won two Ivor Novellos for ‘Rather Be’, and he has penned several number 1 hits for other artists. Clean Bandit’s music blends strings and electronic elements and features guest vocalists like Demi Lovato, Sean Paul, Zara Larsson, Julia Michaels, Luis Fonsi, Ellie Goulding, Iann Dior, Mabel, and Rema.