Flint, Michigan's blue collar arena rockers Grand Funk Railroad were somehow convinced to appear in Weekend Rebellion, a 1970 concert film from nudie king Barry Mahon (Fanny Hill Meets The Red Baron). Ersatz scenes of college revelers punctuate sub-par footage of Mark Farner and crew along with country soul crooner Billy Joe Royal, Nuggets-era frat band The Swingin' Medallions, "beach" music big-timers The Tams, and others. It was paired with Mahon's ridiculous Musical Mutiny from the same year, with proto-metal band Iron Butterfly leading a pack of never-rans such as The Grit and the "barock" New Society. Because it's southern Florida, Brad (Blood Freak) Grinter and son Randy also make an appearance. Filmed at the defunct Pirate's World amusement park, where the mind-numbing exploits of a reincarnated buccaneer serve as pirate padding. Aaarrrgghh!