Poster published in conjunction with the 13th Annual Avant Garde Festival held on June 19, 1977 at the World Trade Center, New York City. Presented by Charlotte Moorman participating artists included Laurie Anderson, Christo, Robert Filliou, Simone Forti, Geoff Hendricks, Joan Jonas, Allan Kaprow, Yoko Ono, Larry Rivers, Bill Viola, and many, many others. Poster designed by Jim McWilliams.