Don and Phil Everly are the original feuding brothers of rock and roll. Tensions reached a boiling point in the summer of 1973 at a gig in Buena Park, California. Phil Everly threw his guitar down and stormed off the stage during a performance of "Cathy's Clown," leaving Don to tell the stunned audience the group was finished (they reformed 10 years later). But unlike many rock stars, they've largely abstained from bashing each other in the press. In 2003, Paul Simon, who counts the Everlys as his biggest influence, talked them into touring with Simon and Garfunkel. "It was hilarious that the four of us were doing this tour, given our collective histories of squabbling," Simon told Rolling Stone. "Don and Phil hadn't seen each other in about three years. They met in the parking lot before the first gig." When the tour ended, the brothers went their separate ways and haven't performed together since.