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