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