Entered from booking ledger and New York Times concert listing and review. NEW YORK PREMIERE of Bernhard Heiden's IN MEMORIAM "Who Makes Music and Where." New York Times (1923-), 1965 May 09 1965/05/09/, p. 1. ProQuest. Web. 22 May 2024. Klein, Howard. "INDIANA SINGERS OFFER A CONCERT: UNIVERSITY'S CHAMBER GROUP AT CARNEGIE RECITAL HALL." New York Times (1923-), 1965 May 16 1965/05/16/, p. 84. ProQuest. Web. 30 May 2024.