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