November 1990
- 12th
- Cassiber
Southbank Centre, London (Great Britain) - 5th
- Cassiber
--, Essen (Germany)
October 1990
- 12th - 13th
- Shadow/Landscape with Argonauts audio play
Premiere
ICA Theater, Boston (USA)
May 1990
- 21st - 22nd
- Der Mann im Fahrstuhl The Man in the elevator
Experimenta 6
Mousonturm, Frankfurt am Main (Germany)