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