. . . "1959-10-20T20:45:00"^^ . "American Opera Society" . . . . "American Debuts of Wladimiro Ganzarelli, Vincenzo Siviero, Renato Cioni, Franco Ventriglia, and Ivana Tosini\r\nU.S. PREMIERE of Gaetano Donizetti's IL DUCA D'ALBA\r\n\r\n" . .