- Ruggero Raimondi, Cecilia Gasdia, Leo Nucci & Paolo Ballarin
- Reginald Goodall, Alison Hargan, Louis Hendrikx, Anne Howells, Maureen Keetch, Michael Langdon, David Lennox, Donald McIntyre, Anne Pashley, Amy Shuard, Dame Kiri Te Kanawa, Orchestra of the Royal Opera House, Jon Vickers, Delia Wallis, Dennis Wicks, Royal Opera Chorus, Royal School of Church Music Choir, Norman Bailey, Marjorie Biggar, Nan Christie, John Dobson & Edgar Evans
- Barbara Bonney, Franz Bartolomey & André Previn
- The Cleveland Orchestra, Emily Magee, Franz Welser-Möst, Alan Held, Camilla Nylund, Piotr Beczala, Birgit Remmert, Wiener Staatsopernchor, Adam Plachetka & Eva Liebau
- Neil Shicoff
- Walter Berry, Brigitte Fassbaender, Edith Mathis & Peter Schreier