To acquire any skill set is a long hard process. Especially if you are trying to teach yourself an instrument. You don't have a teacher to guide you through the difficult hurdles and give you essential feedback in order to improve. YouTuber Ethan David had a creative way to approach this by attaching a taser to a robot full of backhanded compliments in order to force him to play the guitar correctly.
This is a companion discussion topic for the original entry at https://community.robotshop.com/index.php/blog/show/youtuber-builds-a-robot-to-shock-him-into-correctly-practicing-the-guitar