Bernie Barr, Tenor, and Jan Meyel, Baritone
Entered from booking ledger and New York Times concert listing and review. "Who Makes Music and Where." New York Times (1923-), 09 Nov. 1969, p. 1. ProQuest. Web. 5 June 2025. Sherman, Robert. "Barr and Meyel Sing A Program of Duets." New York Times (1923-), 17 Nov. 1969, p. 56. ProQuest. Web. 9 June 2025.