In his own words:
Sensology is a short animated film that visualizes in abstract form, an improvised musical session by two leaders of the avant-guarde jazz movement, Paul Plimley (piano) and Barry Guy (bass).The music was recorded on November 9th, 1995, at the Western Front in Vancouver, Canada [sic]
Watch it in HD. Watch it fullscreen. Most importantly, watch it now. (You’re probably also better off watching it on YouTube for faster loading, though I’ve linked Michel Gagné’s site so you can read about the work itself. via)