The festival will return to Suffolk for its 15th edition from July 16-19, revealing a typically eclectic line-up covering music, comedy, spoken word and more.
The Lumineers, Michael Kiwanuka, Keane and Charli XCX have also been confirmed for the four-day event, with further bookings including Phoebe Bridgers, Marika Hackman and Local Natives.
Elsewhere, comedian Bill Bailey will be in attendance, as will Charlie Mackesy and Dr John Cooper Clarke. The Stormzy-led imprint #Merky Books will also be represented at the festival.