Kammer Duo Entered from New York Times concert listing and review. "Who Makes Music and Where." New York Times (1923-Current file): 1. Nov 05 1972. ProQuest. Web. 16 Mar. 2015. Sherman, Robert. "Kammer Duo Makes Debut At Carnegie." New York Times (1923-Current file): 54. Nov 06 1972. ProQuest. Web. 16 Mar. 2015. WORLD PREMIERE of George Ross' IMPRESSIONS duo recital 1972-11-05T15:00:00