- Nele Gramß, Markus Flaig, James Oxley, Collegium Cartusianum, Markus Brutscher, Cologne Chamber Choir, Peter Neumann, Jan Thomer, Michael Dahmen, Johanna Winkel, Elvira Bill
- Ann Murray, Hiro Kurosaki, Marilyn Schmiege, Cologne Chamber Choir, Malcolm Frager, Martyn Hill, Peter Seymour, Dame Emma Kirkby, Georg Fischer, Hans-Martin Linde, Paolo Barbacini, Cappella Coloniensis, Gabriele Ferro, Ulf Bjorlin, Konrad Hünteler
Cologne Chamber Choir
Biography
Made up of students and alumni of the University of Cologne, the choir covers a contemporary repertoire, along with early music.