As usual, tickets will be distributed through the company's customary online lottery, with fans entering their details on the festival's website to try to score tickets, Willy Wonka style.

More: Arctic Monkeys Set The Stage Ablaze With iTunes Festival Performance

"These live shows capture the heart and soul of iTunes and we love bringing them to our customers in the Roundhouse, as well as to the millions of people watching all over the world for free," said Eddy Cue, Apple's senior vice-president of internet software and services, as the gigs were announced (quote via The Guardian).

This year marked the first international outing of the iTunes Festival. Back in March, Apple hosted gigs by artists including Coldplay, Pitbull and Soundgarden in Austin during the SXSW festival.

More: Pharrell Williams Explains Full Meaning Behind Son Rocket's Name

The lineup also includes newcommer Sam Smith.

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