Entered from booking ledger and New York Times concert listing and review. Program details and concert order are uncertain. "Who Makes Music and Where." New York Times (1923-), Feb 20 1966, p. 1. ProQuest. Web. 27 Aug. 2024. Freed, Richard D. "Canby Singers Excel Despite the Lectures." New York Times (1923-), Feb 28 1966, p. 20. ProQuest. Web. 27 Aug. 2024.