85 takes? 7 broken tvs.. 2 broken pianos and more.. Its a crazy rat trap.. Heres a link to them kinda explaining the video on ted.
http://www.ted.com/talks/adam_sadowsky_engineers_a_viral_music_video.html
OK Go - This Too Shall Pass - Rube Goldberg Machine - Official Video
Here’s another one.
And in japanese..
Japanese Rube Goldberg Contest


Watch this video on YouTube