I.

I. a song by Georg Katzer on Jamfy

I. by Georg Katzer , Sonar Quartett ,
II. by Georg Katzer , Sonar Quartett ,
III. by Georg Katzer , Sonar Quartett ,
String Quartet No. 3 by Georg Katzer , Sonar Quartett ,
String Quartet No. 4, "Tempi fragili" by Georg Katzer , Sonar Quartett ,