Keller, Hermann
[Composer];
Keller, Hermann
[Interviewee];
Polenz, Günter
[Interviewer]
;
Keller, Hermann
[Instrumentalist];
Tast, Werner
[Instrumentalist];
Müller, Walter
[Instrumentalist];
Quellmelz, Gerd
[Instrumentalist];
Jannoch, Hans-Peter
[Instrumentalist]