- Nele Gramß, Jan Thomer, Markus Flaig, James Oxley, Elvira Bill, Cologne Chamber Choir, Collegium Cartusianum, Michael Dahmen, Johanna Winkel, Markus Brutscher, Peter Neumann
- Hiro Kurosaki, Cologne Chamber Choir, Ann Murray, Martyn Hill, Malcolm Frager, Paolo Barbacini, Marilyn Schmiege, Konrad Hünteler, Dame Emma Kirkby, Peter Seymour, Ulf Bjorlin, Cappella Coloniensis, Gabriele Ferro, Georg Fischer, Hans-Martin Linde
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.