1966
Garabedian, John. “Way Out in Central Park – Even the Hippies Agree it was Out of Sight.” New York Post (September 10, 1966). Klein, Howard. “Hartt Group Plays Avant-Garde Music.” The New York Times (December 2, 1966). Strongin, Theodore. “Avant-Garde Music Switched on Here.” The New York Times (September 14, 1966).