Continue Shopping “Six concerts of the avant garde. Earle Brown, John Cage, Morton Feldman, Charlotte Moorman, Max Neuhaus, Frederic Rzewski, David Tudor, Nicholas Zumbro performing works by David Behrman, Earle Brown, Joseph Byrd, John Cage, Philip Corner, Morton Feldman, Toshi Ichiyanagi, Frederic Rzewski, Karlheinz Stockhausen, James Tenny, Edgar Varese, Christian Wolff, Yannis Xenakis, La Monte Young. Judson Hall, New York, August 20, 21, 27, 28, September 3, 4, [1963]” has been added to your cart.