Alexander Bader Member Berlin Philharmonic Octet Also played here Berlin Piano Quartet Also played here Bläserensemble Sabine Meyer Also played here Christoph Streuli Member Die 12 Cellisten der Berliner Philharmoniker Also played here Die Hornisten der Berliner Philharmoniker Also played here Feininger Trio Also played here Markus Weidmann Member Micha Afkham Member Peter Riegelbauer Member Richard Duven Member Scharoun Ensemble This act Stefan de Leval Jezierski Member Stefan Schweigert Member · 1988