Watch HDToday. This fascinating film documents the U.S. premiere production of Originale, a Happening by German composer Karlheinz Stockhausen. Filmed at the "2nd Annual Avant Garde Festival of New York," which was produced by Norman Seaman and Charlotte Moorman, the stage production was directed by Allan Kaprow. Performers include Nam June Paik, Moorman, Jackson Mac Low and Allen Ginsberg, among many others.