"symphony orchestra performance" . . . . . . . . . . "radio broadcast" . . . "General Motors Symphony Orchestra" . . . "Entered advertisement in 12/25/1936 program; selections entered from New York Times concert listing.\r\nBroadcast on WEAF.\r\n\"Microphone Presents.\" New York Times 27 Dec. 1936: X12. Print." . . . "1936-12-27T22:00:00"^^ . . .