"1940-12-29T15:00:00"^^ . . . . . "radio broadcast" . "U.S. PREMIERE of Alexander Zemlinsky's SINFONIETTA FOR ORCHESTRA, OP. 23\r\nNEW YORK PREMIERE of Alfredo Casella's LA DONNA SERPENTE SUITE NO. 2, OP. 50T\r\n\r\n\r\n" . "New York Philharmonic" . . . "symphony orchestra performance" . . . . .