1998 playback button Bagger   ←   with sampled guitar played in by Daan Spruijt

2002 playback button Test   ←   together with Ewout Willems, who did the clavi & hammond in the middle section

2005 playback button A garden in the extreme west

2018 playback button Small sonatoid 1 for piano   (the score is here)

2019 playback button Small sonatoid 2 for piano   (the score is here)

2020 playback button Small sonatoid 3 for piano   (the score is here; the response of prof.dr. Bregman is here)

2020 playback button Small sonatoid 4 for piano   (the score is here)