Red Rubber / african musicdrama : 2 acts / 1992
The Diary of Roland Hansen / chamber opera : 1 act / 1996
Azrael / tango-opera : prologue, 2 acts & epilogue / 1998
Arrest / music drama : 1 act / 1999
Einstein in Amerika / music drama : 2 acts / 2002
Don Juan wird sechzig / music drama : 3 acts / 2005