We didn’t know what a barrel organ was before watching this. As it turns out, a barrel organ is a mechanical instrument similar in design and construction to a pipe organ or an accordion. Using predetermined music on sheets of paper, the music is produced by turning a handle.

While it was far more common in the olden days (being used by street performers and trained monkeys in the late 1800s), some working models can still be found from time to time. Patrick Mathis possesses one, but is apparently a serious Michael Jackson fan. He created the necessary paper and arrangement to play Michael Jackson’s ‘Smooth Criminal’ on this strange and rare instrument.