. . . "Orchestra of America" . . . "radio broadcast" . . "Broadcast over WNYC\r\nU.S. PREMIERE of Oskar Morawetz's PIANO CONCERTO NO. 1\r\nNEW YORK PREMIERE of Hector Tosar's SINFONIA CONCERTANTE" . "1963-10-02T20:30:00"^^ . . . . . "symphony orchestra performance" .