Apple reveals iTunes Festival 2014 line-up

Maroon 5, David Guetta, Calvin Harris, Pharrell and Blondie are the first batch of names confirmed to perform in September at the iTunes Festival 2014, the event that takes place annually in London and is also streamed online.

Shows will take place at the Roundhouse, a concert hall midrange - the maximum capacity is 3,300 people. More names will be confirmed in the coming days.

In addition to the artists mentioned above, the organization (Apple) has also confirmed the presence of Beck, 5 Seconds of Summer, Kasabian, Kiesza (the same day that Calvin Harris ), Robert Plant , Sam Smith , Jungle (sharing the stage with Pharrell ), Chrissie Hynde , the former lead singer of the Pretenders - that will make a one-two with Blondie - and Kylie Minogue.

Update: July 24
Demi Lovato confirmed last night (23) to perform at "Teen Choice Awards" 2014.

The singer will promote the new single "Really Do not Care (Feat. Cher Lloyd)," which includes album" Demi ", released last year.