- Franco Bonisolli, Ileana Cotrubas, Sylvia Greenberg, ORF Radiosymphonieorchester, Anthony Spiri & Lothar Zagrosek
- Montserrat Caballé & Alfredo Kraus
- Manuel Moreno-Buendia & Plácido Domingo
- Manuel Ausensi
- Dame Kiri Te Kanawa, Orchestra of the Royal Opera House, Covent Garden & Sir Georg Solti
- Gran Orquesta Sinfónica, Ataulfo Argenta & Ana Maria Olaria
- 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