The Verve, Rage Against The Machine and R.E.M will headline T In The Park 2008, with dozens more also confirmed.
The Verve will headline the opening Friday night, Rage Against The Machine will top Saturday's bill and R.E.M will close the Balado festival on the Sunday evening.
Other Main Stage acts just confirmed include The Fratellis on Saturday evening and Kings Of Leon on the Sunday. Both are expected to play just before the respective headliners.
Kaiser Chiefs will headline the Radio 1/NME Stage on the Saturday while other proven favourites Stereophonics, The Prodigy, Interpol, Ian Brown and The Chemical Brothers are also set to play.
A few surprise additions to the line up include Counting Crows, Aphex Twin, The Pogues, Ben Folds and Eddy Grant.
Breakthrough acts include The Ting Tings, Lightspeed Champion, Black Kids, The Courteeners and The Law.
The full line up so far is:
The Verve, Rage Against the Machine, REM, Kings of Leon, The Fratellis, Stereophonics, Kaiser Chiefs, Prodigy, Kooks, Primal Scream, Chemical Brothers, Interpol, Ian Brown, The Raconteurs, Biffy Clyro, Counting Crows, KT Tunstall, Feeder, Pigeon Detectives, The Enemy, The Feeling, Amy MacDonald, Panic At The Disco, Hot Chip, Aphex Twin, The Charlatans, The Pogues, Ben Folds, Wombats, Reverend and The Makers, Pendulum, Justice, DJ Hell, Erol Alkan, The National, Band of Horses, Seasick Steve, Eddy Grant, Alabama 3, Sons and Daughters, The Courteeners, Slam, Paul Heaton, Lightspeed Champion, Ting Tings, Black Kids, Sergeant, The Law, Gabriella Cilmi, Sons of Albion, The Script
Tickets for the festival go on sale at 9am tomorrow and will be available here, priced £160 for a full weekend including camping or £137 for Saturday and Sunday. Day passes are £68.50.
T In The Park takes place at Balado, Kinross, Scotland, from 11-13 July.
This year's event will open on Thursday night for the first time and will feature a Main Stage and Radio 1/NME Stage program on Friday.
Festival director Geoff Ellis said: "We look forward to welcoming the greatest audience in the world back to Balado in July and as always, I’d like to urge fans not to buy tickets from any unauthorised sources”.