Near the end of Paul McCartney’s massive 39-song set in Seattle, Nirvana bassist Krist Novoselic join McCartney and his band onstage to jam 'Helter Skelter.'
Dave Grohl and the rest of the Foo Fighters were in England to headline BBC Radio 1’s Big Weekend festi, but Grohl managed to do so much more than that while in the U.K.