Big acts such as Maroon 5, Sam Smith, Pharrell Williams and 5 Seconds of Summer are just some of the announced acts on the line-up for this year’s iTunes Festival. The concerts will take place at The Roundhouse in London in September.

Past performers include Lady Gaga, One Direction, Kanye West and Adele. The event will stream live on iPhones, iPod touches, iPads and iTunes.