Global Groove.

NY: WNET 1974. First edition. 18 3/4 x 13 inch poster. Folded twice for mailing, but not mailed. Fine. Poster photograph by Peter Moore, design by Jim McWilliams. Merrily Mossman directed this performance. Allen Ginsberg, Charlotte Moorman, Jud Yalkut, and John Cage are among the listed participants.