Jamie xx's 'Tree of Codes': "When I'm making music, nothing else really matters"
Jamie xx, aka Jamie Smith, wears a lot of musical hats: he is one third of the Mercury Prize-winning group the xx; producer to mega pop stars such as Alicia Keys, Drake and Rihanna; and remixer of artists like Radiohead and Florence + the Machine. He's also a touring DJ and he recently put out his debut solo album, In Colour.