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