Part 1
Mauricio Kagel, William Pearson, Egbert Ojstersek, Gérard Ruymen, Saschko Gawriloff, Siegfried Palm, Bruno Canino, Carlos Feller, Frederic Rzewski
Part 2
Saschko Gawriloff, Siegfried Palm, Gérard Ruymen, Carlos Feller, Frederic Rzewski, Bruno Canino, Mauricio Kagel, William Pearson, Egbert Ojstersek
