. "1937-03-21T22:00:00"^^ . "Entered from New York Times concert listing and advertisement in 3/19/1937 program.\r\n\"Microphone Presents.\" New York Times 21 Mar. 1937: 179. Print." . . . . . . "symphony orchestra performance" . . "radio broadcast" . . "General Motors Symphony Orchestra" . . . . . . . .