Justin Timberlake confirmed for iTunes Festival 2013
Justin Timberlake, Primal Scream and Jake Bugg are among the first headliners to be announced for this year's iTunes Festival.
The annual event takes place at The Roundhouse in north London.
The performances will run every night in September and can be watched live.
Jessie J, who is also performing, said: "I'm excited to see you all at this year's iTunes Festival. I'll be back with new music, a new look and a party you're all invited to."
Eddy Cue, Apple's senior vice president of internet software and services, said: "Music fans around the world are going to love watching this incredible month of music, whether in London at the Roundhouse or on their own device.
"We're honoured so many renowned artists are part of this year's line-up."
The first iTunes festival took place in 2007 and featured Sir Paul McCartney and Amy Winehouse.
Since then more than 370 artists have performed including Adele, Coldplay, Foo Fighters and Alicia Keys.
Fans can apply for tickets at itunes.com/festival.
Confirmed artists for iTunes Festival 2013
Thirty Seconds to Mars
Queens of the Stone Age
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