- Plácido Domingo
- Andrea Bocelli
- Dame Joan Sutherland, Lucia Popp, Carlo Bergonzi, Plácido Domingo, José Carreras, Dietrich Fischer-Dieskau, Orchestre de la Suisse Romande, Orchestra of the Royal Opera House, Covent Garden, National Philharmonic Orchestra, Herbert von Karajan, Sir Georg Solti & Charles Dutoit
- Franco Bonisolli, Mirella Freni & and others
- Montserrat Caballé