Sir Georg Solti, Luciano Pavarotti, London Philharmonic Orchestra, Richard Bonynge, Dame Joan Sutherland, London Symphony Orchestra, Orchestra del Maggio Musicale Fiorentino, National Philharmonic Orchestra, Orchestra of the Royal Opera House, Covent Garden, Nicolai Ghiaurov, Orchestra dell'Accademia Nazionale di Santa Cecilia, Francesco Molinari-Pradelli, L'Orchestre de la Suisse Romande, Lamberto Gardelli, Marco Armiliato, Orchestra del Teatro Comunale di Bologna, Wiener Philharmoniker, Alberto Erede, Carlo Bergonzi, Dame Kiri Te Kanawa, Gianandrea Gavazzeni, Giuseppe Patanè, Herbert von Karajan, Joseph Calleja, Jussi Björling, London Symphony Chorus, Mirella Freni, Plácido Domingo, Renata Tebaldi, Renée Fleming, Sir Edward Downes, Sir John Pritchard, Tom Krause, Wiener Opernorchester, Aleksandra Kurzak, Alfredo Mariotti, Ambrosian Opera Chorus, Anita Cerquetti, Anne Sofie von Otter, Argeo Quadri, Berliner Philharmoniker, Birgit Nilsson, Bryn Terfel, Cecilia Bartoli, Chamber Orchestra of Europe, Chorus Pro Paroles de chansons et traductions