SYMPHONY ORCHESTRAS
PERIOD INSTRUMENT ENS.
CHAMBER ORCHESTRAS
CHOIRS
CHAMBER MUSIC ENS.
CONTEMPORARY MUSIC ENS.

Klangforum Wien
Kronos Quartet
musikFabrik NRW
Schönberg Ensemble

Its repertoire, rooted in the performance of the complete chamber music of the three most important composers of the Second Viennese School - Arnold Schoenberg, Alban Berg and Anton Webern - has gradually branched out into the entire 20th century.

Since the foundation Reinbert de Leeuw is the chief conductor of the Schoenberg Ensemble.
The Schoenberg Ensemble plays in the most prestigious concert halls and major festivals throughout all the countries in Europe, Canada and the United States.

The ensemble performs frequently on radio and television and records for Philips, Deutsche Grammophon, Koch-Schwann, Auvidis Montaigne (Paris) and Elektra Nonesuch (New York).
CD's with works of Olivier Messiaen and Mauricio Kagel have been released at Auvidis Montaigne. On Philips Classics CD's, works of the Russian female composers Sofia Gubaidulina and Galina Ustvolskaja, the Polish composer Henryk Górecki and the Canadian composer Claude Vivier have been released. Elektra Nonesuch label has released a CD with "De Materie" of Louis Andriessen.

Many composers dedicated works to the Schoenberg Ensemble. Among them Isang Yun, Morton Feldman, Sofia Gubaidulina, Henryk Górecki, Louis Andriessen, Klaas de Vries and Mauricio Kagel.