. "radio broadcast" . . . . . "1949-12-20T20:00:00"^^ . . "Amoco \"Carnegie Hall\" Broadcast: Margaret Truman with Orchestra" . "symphony orchestra performance" . . "Broadcast on WJZ\r\nEntered from program calendars and newspaper listings.\r\n\"Radio and Television.\" New York Times Dec 8 1949: 66. Print.\r\n\"Programs on the Air.\" New York Times Dec 20 1949: 54. Print." . "vocal performance" . . . .