| Title | Parts |
|---|---|
| 4 Pieces for clarinet quartet on tone-scale system developed by Wim de Ruiter world-premiere 7 Feb 1982 |
|
| Oks. Organ, 3 trumpets, 2 trombones and percussion. 1994 Jos van der Kooy, Marije Koopman, Niels Marchal, Brigitte van Est, Daniel Ploeger, Bastiaan Woltjer, Wim Koning / Bas Pollard |