pianos keys played by mechanical finger
http://algo.mur.at/projects/autoklavierspieler/performances/god_at_aec/fotos/tastennah1.JPG/view
http://algo.mur.at/projects/autoklavierspieler/performances/god_at_aec/fotos/tastennah1.JPG/@@download/image/None
pianos keys played by mechanical finger
