This one’s been making the tech blog rounds…
If that didn’t quench your tech-machinery-plays-music thirst, here’s a laser cutter playing the Super Mario Bros. theme. And here a CNC router plays Still Alive from Portal.
For Queen fans, here a guy in a car rocks so hard to Bohemian Rhapsody that the airbag goes off and knocks him out. (Check it out soon. It’s been pulled from elsewhere due to terms of use violations.)