American rock band Matchbox Twenty have been added to the line-up for the month-long iTunes Festival and will play on September 19.
Rob Thomas, lead singer of Matchbox Twenty said: "We're really excited about the opportunity to be a part of the iTunes Festival. Any chance to do our favourite thing in one of our favourite cities is always a win."
Throughout September each night of the festival will take place at The Roundhouse in Camden, London.
Tickets are free for competition winners only.
There is an official free iTunes Festival app that enables users to apply for tickets and watch the shows live or on repeat for a limited time.
The current line-up is as follows:
September 1: Usher
September 2: Ed Sheeran + Charli XCX
September 3: Olly Murs
September 4: Plan B
September 5: Emeli Sandé
September 6: JLS
September 8: Jack White
September 9: Deadmau5
September 10: Norah Jones
September 12: Noel Gallagher's High Flying Birds + The Soundtrack of Our Lives
September 13: P!NK
September 14: Labrinth + Josh Kumra
September 15: David Guetta
September 16: Rebecca Ferguson
September 18: Andrea Bocelli
September 19: Matchbox Twenty
September 20: One Direction
September 21: Jessie J + Lonsdale Boys Club
September 22: Biffy Clyro + Frightened Rabbit