Martha Argerich (piano)Nelson Freire (piano)Gidon Kremer (violin)Isabelle Van Keulen (violin)Tabea Zimmermann (viola)Mischa Maisky (cello)Georg Hortnagel (double bass)Irena Grafenauer (flute)Eduard Brunner (clarinet)Markus Steckeler (xylophone)Edith Salmen-Weber (bells)Germany, April 1985