Orchestra and Chorus of the Maggio Musicale Fiorentino, Dimitri Mitropoulos, Martha Mödl, Anny Konetzni, Daniza Ilitsch, Franz Klarwein, Hans Braun, Wilhelm Felden, Dorathea Frass, Aenne Michalsky, Josef Schmidinger, Ljubomir Panischeff, Charlotte Markus, Gertrud Schuster, Polly Batic, Katia Sabo &