Fresh off their work with the cast of Fraggle Rock, the newly reunited Ben Folds Five last night performed with another unlikely set of collaborators: Wayne Coyne and Ke$ha. The Five were joined at Nashville's Ryman Auditorium by Coyne and Ke$ha for a cover of the Conway Twitty/Loretta Lynn duet "You're the Reason Our Kids Are Ugly." Of course, Coyne ...