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