Entered from booking ledger and New York Times concert listing and review. The correct program order is uncertain. "THE CURRENT WEEK'S MUSIC PROGRAMS." New York Times (1923-), Apr 12 1964, p. 1. ProQuest. Web. 13 Nov. 2023. Klein, Howard. "CHORAL MUSIC SUNG BY ST. CECILIA CLUB." New York Times (1923-), Apr 16 1964, p. 42. ProQuest. Web. 14 Nov. 2023.