あったっ
AV Festival 08: Atau Tanaka, Matt Wand, :zoviet*france: : Variation VII
http://www.youtube.com/watch?v=CRrFyS2NYkA
https://www.balticmill.com/whats-on/exhibitions/detail/john-cage-variations-vii
http://www.avfestival.co.uk/programme/2008?category=all
http://www.avfestival.co.uk/programme/2008/events-exhibitions/atau-tanaka-zovietfrance--special-guests-variations-vii