Rosemary Leeder, Mezzo-Soprano, and Helen Chen Lee, Soprano New York Debut of both artists. Entered from booking ledger and New York Times concert listing and review. The full program and correct order are uncertain. "Who Makes Music and Where." New York Times (1923-), 31 Oct. 1971, p. 1. ProQuest. Web. 2 Oct. 2025. Sherman, Robert. "Soprano and Mezzo Share Debut Program." New York Times (1923-), 01 Nov. 1971, p. 53. ProQuest. Web. 2 Oct. 2025. joint recital 1971-10-31T14:30:00