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