James Robertson, Niola Monti, Tito Gobbi, Orchestra del Teatro alla Scala di Milano, Walter Susskind, Alberto Erede, London Symphony Orchestra, Philharmonia Orchestra, Orchestra of the Rome Opera House, Umberto Berrettoni, Gabriele Santini, Warwick Braithwaite
Umberto Berrettoni, Prussian State Cappella Orchestra, Philharmonia Orchestra, Orchestra of the Royal Opera House, Orchestra del Teatro alla Scala di Milano, Philharmonia Chorus, Milan Symphony Orchestra, Rainaldo Zamboni, Argeo Quadri, Bruno Seidler-Winkler, Rina Gigli, Stanford Robinson, Studio harpist, Vito Carnevali, Studio Orchestra, Beniamino Gigli
