Freiburg Cathedral Boys Choir, Peter Lika, Michael Gielen, Alessandra Marc, Margaret Jane Wray, Dagmar Peckova, South West German Radio Symphony Orchestra, Baden-Baden, Franck Pulcini, Juliane Banse, Wolfgang Hock, Europe Choir Academy, Christine Whittlesey, Anthony Michaels-Moore, Cornelia Kallisch, Aurelius Sängerknaben Calw, Eugenie Grunewald, Christiane Boesiger, Glenn Winslade
