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