Learn to play the guitar (or piano) with these super cheap online classes

Editor's note: Mashable and PCMag are both owned by Ziff Davis.
Shawn Mendes taught himself to play guitar by watching video tutorials on YouTube and now he’s selling out tours across the globe. So, who’s to say you couldn’t have the same fate?
We’ll save you the trouble of sifting through thousands of search results — we’ve already found the best tutorial. The Complete Guitar System - Beginner to Advanced is a course hosted on Udemy that will help you master