The line-up for the eigth annual iTunes Festival has been announced with Maroon 5, Pharrell Williams, Beck, Sam Smith, Blondie, Kylie, David Guetta, 5 Seconds of Summer, Calvin Harris, Chrissie Hynde and many more set to headline.

In the UK, fans can win tickets by entering ballots on iTunes.

Or if you miss out, the shows can be watched live or on-demand on Apple products.

Roundhouse, Chalk Farm Road, September 1-30. Details: roundhouse.org.uk