December 15, 2011 7:00 PM Concert Hall of the Munich University of Music
Study#1
Günter Bialas Composition Competition Award Ceremony

December 12, 2011 7:30 pm Art Station St. Peter
Confusion I
Thürchen Ensemble

September 10, 2011 8:00 PM Music Night, dairy, Cologne
Nichtsattrappen 0‘05‘‘
Sabine Akiko Ahrendt, violin
Andrea Kiefer, accordion

September 2, 2011 6:00 PM Old Fire Station, Cologne
Orang Utan
Andrea Kiefer, accordion
ensemble hand werk

June 17, 2011 8:00 PM Stuttgart University of Music, Chamber Music Hall
Zerscheinen
Ensemble SCALA

May 23, 2011 8:00 p.m. Ecole Nationale Supérieure d'Art, Aubusson
Nichtsattrappen 0‘04‘‘
ensemble]h[iatus

May 13, 2011 Acht-Brücken Köln WDR, Klaus-von-Bismarck-Saal, Broadcasting House at Wallrafplatz, Cologne
Gelbspötter und Petrol. Stunts and Action.
Thürchen Ensemble