Artist's book / performance catalogue / multiple documenting a 24 hour performance event which took place at the Galerie Parnass, Wuppertal, Germany, on June 5, 1965. The event featured performances by Joseph Beuys, Wolf Vostell, Bazon Brock, Rolf Jährling, Ute Klophaus, Charlotte Moorman, Nam June Paik, Eckart Rahn, and Tomas Schmit.