Umberto Berrettoni, Orchestra of the Royal Opera House, Studio harpist, Vito Carnevali, Prussian State Cappella Orchestra, Beniamino Gigli, Bruno Seidler-Winkler, Rina Gigli, Stanford Robinson, Philharmonia Orchestra, Milan Symphony Orchestra, Rainaldo Zamboni, Argeo Quadri, Studio Orchestra, Orchestra del Teatro alla Scala di Milano, Philharmonia Chorus
