You Me At Six, Sum 41, All Time Low + More Added To Sonisphere Line-Up
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgwthP-5L5Ot1dGkeebVK1GMmYS7FN9uK0srDzQdMUTVWDTSUqE8yjh6UtTalq64hahmDfW3Q5x78k0X0NqNdnKbgXTJiw77K88xpU7vcjmGoI5OtyfJfP1mHmPQbbK0LNDM0fUs-rgXyA/s200/YMAS-Photo_low.jpg)
You Me At Six, All Time Low, Sum 41, House Of Pain, Arch Enemy, Periphery, Grinspoon and Fozzy have been confirmed for the 2011 Sonishphere Festival which takes place at Knebworth from 8-10 July.