Marty Schwartz uploaded his first guitar tutorial in order to make sure one of his students was practicing. He now teaches people online through guitar tutorials and gets 7 million views a month.
All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Mashable may earn an affiliate commission. Online guitar lessons ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results