IMPERIAL MARCH… on floppy drives
A young Polish ultranerd created a totally useless device — a couple of floppy drives that can play Star Wars Darth Vader’s “IMPERIAL MARCH”. The sound is created by movement of the heads, which are moved in steps with the exact frequencies. A masterpiece!
http://blog.makezine.com/archive/2011/09/floppy-drive-imperial-march.html
2 videos:
Google+ c.a.t. (1/2) 
Lembrei desse que recebi um tempo atrás
Phantom of the Floppera
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