Entered from program calendar and New York Times concert listing and review. "Concert And Opera Programs Of The Week." New York Times (1923-Current file): 1. Dec 13 1953. ProQuest. Web. 7 Oct. 2014. "Harpsichord Group Gives Program Here." New York Times (1923-Current file): 51. Dec 16 1953. ProQuest. Web. 7 Oct. 2014. WORLD PREMIERE of Carlos Surinach's TIENTOS WORLD PREMIERE of Paul Des Marais' THEME AND CHANGES