- Felix Renggli, Peter Hirsch, Michael Kleiser, Martina Bovet, Xasax, Peter Siegwart, Eric Ferrand-N'Kaoua, Sabine Bartschi, Ernesto Molinari, Philippe Racine, Brigitte Meyer, Jürg Henneberger, Raphael Oleg, Ensemble Phoenix Basel, Zurich Collegium Novum, Ruben Drole, Jens Fuhr, Beat Schneider, Edicson Ruiz, Zurich Vocal Ensemble, Barbara Bolliger
