An Anthology of chance operations, concept art, anti art, indeterminacy, plans of action, diagrams, music, dance constructions, improvization, meaningless work, natural disasters, compositions, mathematics, essays, poetry by George Brecht, Claus Bremer, Earle Brown, Joseph Byrd, John Cage, David Degener, Walter De Maria, Henry Flynt, Yoko Ono, Dick Higgins, Toshi Ichiyanagi, Terry Jennings, Dennis Johnson, Ding Dong, Ray Johnson, Jackson Mac Low, Richard Maxfield, Robert Morris, Simone Forti, Nam June Paik, Terry Riley, Dieter Roth, James Waring, Emmett Williams, Christian Wolff, La Monte Young, Anthony Cox