- Sir Thomas Allen, Paul Crook, Alasdair Elliott, Sir John Tomlinson, Grant Dickson, Nancy Gustafson, Gwynne Howell, Bernard Haitink, Orchestra of the Royal Opera House, Robin Leggate, Herbert Lippert, Anthony Michaels-Moore, Catherine Wyn-Rogers, Geoffrey Moses, Gösta Winbergh, Michael Druiett, John Dobson, Royal Opera Chorus, Simon Wilding, Richard Lloyd Morgan
- Dagmar Peckova, South West German Radio Symphony Orchestra, Baden-Baden, Hanno Müller-Brachmann, Margaret Jane Wray, Christiane Boesiger, Aurelius Sängerknaben Calw, Alessandra Marc, Michael Gielen, John Bröcheler, Peter Lika, James Johnson, Eugenie Grunewald, Anthony Michaels-Moore, Laura Aikin, Rundfunkchor Berlin, Europe Choir Academy, Thomas Harper tenor, Guy Renard, Glenn Winslade
