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