He drew coloured abstract images, cut them up and projected them on to luminous screens using randomising software. The images appear, morph and dissolve into one another, replaced by new configurations. Layers of ambient sound, similarly morphing, interweave with the images
Sounds very much like the screen saver for windows media player.
Nothing much happens yet people come and stay for hours in a contemplative state
That's exactly what happens, I can't take my eyes away from it.
As a painter (no not walls, oils) I agree that you need to have surrender in your life. I feel way too controlled if I don't go out into the unknown every now and then to experience something new. When I feel too controlled I can't paint. So I just do random out of the ordinary excursions. It's a lot easier than devoting myself to a new faith every week (or taking a new drug every week, or... okay I'll stop there)