"People sometimes flatter me and call me an artist, but in reality I'm a mechanic most days," he said with a laugh.
The business works because of Harrison's attention to the fine details, and of course his proximity to musicians and their ever-breaking tools.
But Harrison doesn't only cater to professionals or those aspiring to be so. Admittedly, what strums the most excitement for him is the most simple of repairs that will put an unused set of strings back on the market.
"I've had several instances where a little girl gets to play her grandmother's violin, and she just loves it more than any other violin right from the get go," he said.
So if you need a quick repair, or are possibly just looking for a new hobby, consider this "small town feeling" repair shop owned by a gentleman who grew up in a much larger city, but is happy to call Northeast Wisconsin home.
"Appleton, downtown, reminds me of my old neighborhood in Queens, New York, because New York City is just a bunch of small cities bunched together," he said. "Maybe I am a small town kind of guy."