This video has been out there for a month or so, but I've never seen it and I bet a few of you haven't either.
In it four floppy drives render Portal's "Still Alive", by Jonathan Coulton. The music was created using Arduino and Java applications. Enjoy.
You can contact Brian Crecente, the author of this post, at brian@kotaku.com. You can also find him on Twitter, Facebook, and lurking around our #tips page.