Pro Viva

Simon Burkhard, Kurt Widmer, Bernhard Moor, Felix Andreas Genner, Markus Neuburger, Yves Savary, Annemarie Burkhard, Heiner Kühner

David Pituch, Andrzej Wrobel, Zbigniew Kozlik, Krzysztof Celinski, Wieslaw Woznicki, Edward Jamiolkowski, Stanislaw Skoczynski

Ensemble Vocale Mainz, Fritz Walther-Linquist, Sonare Quartet, Klaus-Uwe Ludwig, Wolfgang Sieber

Linda Hirst, The Berlin Company, Marianne Boettcher, Philip Moll, Hans Hartmann, Peter Schwarz

Eduard Brunner, Wilanow String Quartet

Lidia Biel, Piotr Grodecki, Boguslaw Schaeffer

Wilanow String Quartet

Robert Szreder, Radio Symfonie Orkest, Kenneth Montgomery

Siegfried Behrend, DZO-Kammerorchester, Wolfgang Bast, Claudia Brodzinska-Behrend, Takashi Ochi, Michael Tröster, Siegfried Fink

Sanda Craciun, Aurelian Octav Popa