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