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