"1951-02-17T18:30:00"^^ . . . . . "NBC Symphony Orchestra" . . . . "Entered from program calendar and review.\r\nDownes, Olin. \"Toscanini Concert Has Rapt Audience.\" New York Times (1923-Current file): 66. Feb 18 1951. ProQuest. Web. 10 Dec. 2013." . "symphony orchestra performance" . . "radio broadcast" . .