. "Joan Yarbrough and Robert Cowan, Duo Pianists" . . "1965-04-14T20:30:00"^^ . . . . "duo recital" . . "New York Debut\r\nEntered from booking ledger and New York Times concert listing and review.\r\n\"Who Makes Music and Where.\" New York Times (1923-), Apr 11 1965, p. 1. ProQuest. Web. 24 Oct. 2022.\r\nKlein, Howard. \"HUSBAND AND WIFE IN DUO-PIANO DEBUT.\" New York Times (1923-), Apr 15 1965, p. 39. ProQuest. Web. 24 Oct. 2022." . .