Chart-busting R&B perv Robin Thicke headlines at the iTunes Festival. He's been bumped up from a support slot with John Legend, presumably because of the continuing success of his track 'Blurred Lines': a Number One hit in nine countries, it got extra exposure due to its controversial video and it also holds the record for the biggest radio audience ever. Oh, and Thicke will probably be playing some other songs too. In support, Californian R&B crooner Aloe Blacc sings tracks including 'I Need a Dollar'. Win tickets on the iTunes Store, via www.itunesfestival.com.