"1958-03-26T20:00:00"^^ . . . . . "Little Orchestra Society" . . . "Martial Singher, who was originally scheduled to sing the role of Macbeth, was replaced by baritone William Chapman.\r\nTaubman, Howard. \"Opera: Verdi's 'Macbeth': Concert Performance Led by Scherman.\" New York Times (1923-), Mar 27 1958, p. 40. ProQuest. Web. 3 Jan. 2023." . .