Heinz Wallberg, Eduardo Ferracani, Virgilio Tavini, Régine Crespin, Buenos Aires Teatro Colon Orchestra, Carmen Burello, Eugenio Valori, Kerstin Meyer, Kurt Böhme, Humberto Di Toto, Anneliese Rothenberger, Fritz Wunderlich, Marta Benegas, Noemi Souza, Corrada Malfa, Hans Friedrich, Maria De Benedictis, Buenos Aires Teatro Colon Chorus, Richard Strauss, Consuelo Ramos, Victor De Narke, Italo Pasini