Holliger, Heinz
[Other];
Heyn, Volker
[Other];
Ustvolʹskaja, Galina Ivanovna
[Other];
Xenakis, Iannis
[Other];
Varèse, Edgard
[Other];
Koch, Hans
[Other];
Morris, Butch
[Other];
Schütz, Martin
[Other];
Riehm, Rolf
[Other];
Kröll, Georg
[Other];
Hölszky, Adriana
[Other];
Smolka, Martin
[Other];
Kalitzke, Johannes
[Other]
;
Wittener Tage für Neue Kammermusik 23 1991 Witten,
Asko Ensemble,
Slagwerkgroep Den Haag,
Kulturforum Witten