Watch Thom Yorke Join Portishead for 'The Rip' at Latitude Festival

Thom Yorke hinted that he'd be a surprise performer at this weekend's Latitude Festival, but the Radiohead singer had more in store for the Suffolk, England fest than just his first concert of 2015: Yorke appeared onstage during Portishead's Saturday set to join in on "The Rip" off the band's 2008...