WATCH: The most unusual version of Michael Jackson’s Smooth Criminal you’re ever likely to hear

So catchy!

Frenchman Patrick Mathis is an expert in a rather strange instrument known as a barrel organ.

A barrel organ according to the dictionary is “an instrument consisting of a cylinder turned by a handle and having pins on it that interrupt the air flow to certain pipes, thereby playing any of a number of tunes.”

Ok then…

Over the years there have been many covers of Michael Jackson’s 1987 hit Smooth Criminal, but Patrick’s version is one-of-a-kind.

Here is the original so you can compare the two.