| He, aber das ist doch ... | various instruments 
        and tape | |
| signal for piano | piano 15', 1990 | |
| signal for pianos | for computer controlled 
        pianos | |
| Mach'had, 1994 (i - iv) | oboe 
      and clarinet 12', 1992/95 | |
| Machwerk 2 1/2 | Theatermusic (8 track-tape, 
        5 channels) | |
| Machwerk 2 1/3 | Theatermusic (8 track-tape, 4 channels, sopran & sampler) 35', 1994 | |
| Machwerk 2 1/4 | Theatermusic (8 track-tape, 4 channels, sopran & sampler) 35', 1995 | |
| magdalena, nass! | popmusic, 
      instrumental 4', 1986/1996 | |
| sprich deutlicher | piano 4', 1995 | |
| unmittelbare stellungnahme/i | alto 
      flute, clarinet, violoncello, percussion 16', 1995 | |
| unmittelbare stellungnahme/ii | tenor 
      saxophone, guitar, doublebass 14', 1996 | |
| unmittelbare stellungnahme/iii | violin, 
      oboe, violoncello, flute, percussion, celesta 12', 1997 | |
| sjálfstætt fólk | electronic 
      music 11', 1996 | |
| nina variations | various 
      instruments 8', 1990/1997 | |
| camera music | electronic 
      music, installation (with christian möller) 1997 | |
| schrittweiser... | electronic 
      music 35', 1998/ computer controlled installation, var., 1997/98 | |
| gut, gut herr mach... | piano 
      & electronics, film music 8', 1998 | |
| ferner | for 
      saxophone quartet & sampler 16', 2001 | |