Using VUO, I redid this test I made with quartz composer:
vimeo.com/59841575
vimeo.com/1534558

ableton Live enable the sprites via midi out (notes on/off > sprite on/off)

Composition here:
facebook.com/photo.php?fbid=10151740123296200&set=a.381098606199.160911.32988486199&type=1&theater

VUO
vuo.org

discussion here:
vuo.org/node/142

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