Foo Fighters iTunes Festival 2011 video is now available for viewing. The performance was originally broadcasted live on July 11th, 2011 from London through iTunes Festival app and iTunes.
In the middle of the show during “Skin + Bones” (time stamp 1:51:22) Dave Grohl ejected an audience off the show room for starting a fight.
UPDATE:
Foo Fighters: iTunes Festival soundcheck
httpvh://www.youtube.com/watch?v=uIj_jt7a1qQ