Produced by Lars Movin for the National Film Board of Denmark. With: Eric Andersen, Philip Corner, Henry Flynt, Ken Friedman, Jon Hendricks, Dick Higgins, Alison Knowles, Jackson Mac Low, Jonas Mekas, Yoko Ono, Nam June Paik, Ben Patterson, Wilem De Ridder, Ben Vautier, Emmet Williams, La Monte Young. Also seen: Ay-O, Joseph Beuys, John Cage, Geoffrey Hendricks, George Maciunas, Larry Miller, Charlotte Moorman, A.O.