Bloc Party join Oasis, Snow Patrol and Bat For Lashes on the iTunes bill
Bloc Party, Placebo, Calvin Harris and Mika have all been added to the line up for this year's iTunes festival.
The artists join a bill which already includes Oasis, Franz Ferdinand, Snow Patrol, Bat For Lashes, Paolo Nutini, The Saturdays and Flo Rida.
The event takes place at London's Roundhouse every night from 1-31 July and is the third festival of its kind.
In all 62 bands are performing over the month with tickets only available online.
Last year saw performances from Lightspeed Champion, The Ting Tings, The Script and Pendulum.