Example heads up the latest acts for Summer Sundae Weekender 2011 with I Am Kloot, McFly and Chapel Club among the latest acts too.
Britpoppers Reef, Caravan Palace and Born Ruffians have also been added along with Shonen Knife, Wolf People and Showaddywaddy.
Uncle Frank, Beth Jeans Houghton and The Agitator are set for the weekend as well as Admiral Fallow, Kyla La Grange, Dionne Bromfield and Dutch Uncles.
2:54, Givers and The Heartbreaks will also join a line-up that already boasts The Maccabees, Graham Coxon, Newton Faulkner, Bellowhead and many more.
Click here for the latest Summer Sundae Weekender line-up.
Early Bird Weekend Tickets are priced at £105, and are on sale now, with ticket prices rising on 4 April.