elaborating on Gerhard Rühm's 'pencil music' on ubuweb.
"The pencil-sound piece did not always remain the by-product of the dominating drawing-process. The dynamics of the sound sequence in its turn often influenced the development of the drawing and determined it significantly"
by
http://marcvanelburg.blogspot.nl/
see also;
https://www.flickr.com/photos/het-saptrajekt/
https://www.youtube.com/user/4398574291811/videos
http://tellab.home.xs4all.nl/
