. . . . "This became the most influential studio in the world during the 1950s and 1960s, with composers such as Michael von Biel, Konrad Boehmer, Herbert Br??n, Jean-Claude ??loy, P??ter E??tv??s, Franco Evangelisti, Luc Ferrari, Johannes Fritsch, Rolf Gehlhaar, Karel Goeyvaerts, Hermann Heiss, York H??ller, Maki Ishii, David C. Johnson, Mauricio Kagel, Gottfried Michael Koenig, Petr Kotik, W??odzimierz K" . . . .