This weekend 100,000 people will attend BBC Radio 1's Hackney Weekend, the biggest live event the network has ever organised.
Lostprophets' Jamie Oliver talked to Newsbeat's music reporter Greg Cochrane about the line-up and how the band feels to be taking the stage on Saturday (23 June).
The majority of tickets have been allocated to people living in Hackney and the surrounding boroughs in London.
Jay-Z and Rihanna will headline the event which takes place at Hackney Marshes.
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