"1931-04-12T21:30:00"^^ . . "Broadcast on radio station WOR. Entered from New York Times concert listing and review (\"The Microphone Will Present,\" April 12, 1931, pg. x16; \"Henry Hadley Closes Season,\" April 13, 1931, pg. 16) and program calendars." . . . . . . . . . . "Manhattan Symphony Orchestra" . . . . . "symphony orchestra performance" . . . "radio broadcast" . . . .