Post dubstep star James Blake will play a special Thursday (4 August) slot at The Big Chill 2011, appearing on the Deer Park stage before the event kicks off in full on the Friday (5 August).
The event will return to Eastnor Castle Deer Park in Herefordshire from 4-7 August with Kanye West, The Chemical Brothers and Rodrigo y Gabriela to headline.
Robert Plant, Norman Jay, Chipmunk, Calvin Harris and Example are all set to play over the weekend as well.
Tickets are on sale now at £165 for a weekend camping pass.
Click here to buy Big Chill tickets.