1964
1964 - September 3. Second Annual New York Festival of the Avant Garde. Judson Hall. NYC. Solo recital. Work(s): Morton Feldman, King of Denmark (1964) (World Premiere) and others unknown.

Source(s): Fondazione Bonotto, “2nd Annual Avant Garde Festival Flyer – Poster” and “2nd Annual... Flyer” (FXC1656).

Bibliography / Press / 1964 - Klein, Howard. “Music: Avant-Garde Festival Closes” New York Times September 4: 18