. . "chamber music performance" . "New York Debut\r\nEntered from flyer, booking ledger, and New York Times concert listing and review.\r\n\"CONCERT AND OPERA PROGRAMS FOR THE SEEK.\" New York Times (1923-Current file), Nov 04 1956, p. 150. ProQuest. Web. 12 Apr. 2021.\r\nParmenter, Ross. \"Music: Lieder Recital: Schubert Cycle Sung by German Baritone.\" New York Times (1923-Current file), Nov 05 1956, p. 41. ProQuest. Web. 12 Apr. 2021." . "1956-11-04T17:30:00"^^ . . . . "Hermann Prey, Baritone" .