. . "duo recital" . "Entered from booking ledger and New York Times concert listing and review.\r\n\"Who Makes Music and Where.\" New York Times (1923-), 09 Nov. 1969, p. 1. ProQuest. Web. 5 June 2025.\r\nSherman, Robert. \"Barr and Meyel Sing A Program of Duets.\" New York Times (1923-), 17 Nov. 1969, p. 56. ProQuest. Web. 9 June 2025." . . . . . . . . . . "1969-11-15T20:30:00"^^ . "Bernie Barr, Tenor, and Jan Meyel, Baritone" . .