Headliners for the eighth annual iTunes Festival will include Maroon 5, Pharrell Williams, Beck, Sam Smith, Blondie, Kylie, David Guetta and Calvin Harris, amongst others.
Over 60 acts will perform at the Roundhouse in Camden throughout September. Tickets for the shows are free for competition winners.
Performances can also be watched live or on-demand on iPhones, iPads, iPod touches, iTunes and Apple TV.
Now in its eighth year, the iTunes Festival has seen 430 artists play in front of more than 430,000 fans.
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