. "radio broadcast" . "Broadcast over NBC Radio, CBC, and US Information Agency shortwave radio.\r\nPierre Monteux replaced Arturo Toscanini as conductor for this concert, who was not able to appear due to illness.\r\n\r\n" . . "1953-11-08T18:30:00"^^ . "symphony orchestra performance" . . . . . . . "NBC Symphony Orchestra" .