On Saturday the Main Stage will feature The Who, The Strokes, The Arctic Monkeys, Hard-Fi, James Brown, The Magic Numbers, Damien Dempsey, Republic of Loose, Sandi Thom and The Marshals.

Music magazine NME is sponsoring the second stage this year, and on Saturday their line up is: Richard Ashcroft, Editors, Feeder, Dirty Pretty Things, We Are Scientists, Delays, Morning Runner, The Blizzards, Captain and Breaks Co Op.

The Green Room will see sets by Primal Scream, The Go! Team, The Futureheads, Gomez, Jenny Lewis, Kubb, 747's, Mobile and Emm Gryner.

Death Cab For Cutie, Zero 7, Eels, Jose Gonzalez, Bic Runga, Regina Spektor, Dave Couse, The Spinto Band and The Weepies play the Pet Sounds stage on Saturday.
The New Band Stage will stage performances from Boy Kill Boy, Animal Collective, Fratellis, Automatic, Milburn, Phoenix, Lily Allen, Maccabees, Manic, Fear of Music, Upper Room, Paolo Nuitini and Rushmore.
MTV's Dance Arena plays host to Erick Morillo, Felix Da Housecat, Dave Clarke, Cosmic Fury (Tom Midleton and Fred Deacon from Lemon Jelly), Vitalic, Justin Robertson, Jon Carter, Headman and Jon Averill on the same day.
Sunday's line-up is just as impressive, with Red Hot Chili Peppers, Franz Ferdinand, Kaiser Chiefs, Placebo, BellX1, Mani Chao and Maximo Park on the Main Stage.
Paul Weller, Goldfrapp, Pharrell Williams, The Zutons, The Kooks, The Feeling, The Cribs, Wolfmother and Leya rock the NME Stage on the second day of the festival.
The Green Room line-up for that day is: Rodrigo Y Gabriela, The Charlatans, Damian 'JR Gong' Marley, Orson, Hope of the States, Greg Dulli/Twilight Singers, Guillemots, The Rifles and Delorentos.
Gracing the Pet Sounds Stage on Sunday will be Sigur Ros, Ben Harper, Clap Your Hands Say Yeah, Corinne Bailey Rae, The Divine Comedy, Gemma Hayes, Xavier Rudd and Donovan Frankenreiter.
You can catch Humanzi, Bedouin Soundclash, ¡Forward Russia!, Pretty Girls Make Graves, Giant Drag, White Rose Movement, Reamonn, Tiny Dancers, The Morning After Girls, Cut Copy, Mummra and Karma 45 at the New Band Stage.
And back in the Dance Arena, we've got David Morales, Timo Maas, Mylo, Erol Alkan, Digitalism, Whomadewho, Steve Angelo and Switch.