Originally Posted by rostasi

Apart from most of those already mentioned,
I'd add Hermann Nitsch, Gloria Coates,
Yannis Kyriakides, Jean-Claude Eloy,
Ana-Maria Avram, Iancu Dumitrescu,
Giacinto Scelsi, Costin Miereanu,
Hanne Darboven, Martin Davorin Jagodic,
Horațiu Rădulescu, Jani Christou,
James Tenney, Claude Vivier, Roland Kayn,
Gérard Grisey, Olga Neuwirth, Beat Furrer,
Salvatore Sciarrino, Helmut Lachenmann,
Wolfgang Rihm, Isabel Mundry, Peter Ablinger,
Matthias Pintscher, Hanspeter Kyburz,
and a whole bunch more that get
played around the house here.