Entered from New York Times review. Downes, Olin. "MUSIC IN REVIEW: 'GOETTERDAEMMERUNG' GIVEN AT METROPOLITAN WITH KIRSTEN FLAGSTAD AND MELCHIOR MELCHIOR AS SIEGFRIED OTHERS IN THE CAST COPLEY MEMORIAL CONCERT BUSCH QUARTET OPENS SERIES 'LA BOHEME' AT METROPOLITAN." New York Times (1923-), Mar 04 1939, p. 18. ProQuest. Web. 18 July 2022.