To put it simply, music licensing is the licensed use of copyrighted music. You would be surprised or maybe you wouldn't be as to how many artists don't generate any income via this revenue stream. I personally know of one legendary hip-hop music artists that sought out my help a few years ago regarding music licensing because he surprisingly didn't have any of his music synced in any television shows, films, commercials, or otherwise. We talked and all I told him was what I do but I also said, he had fame on his side so he didn't need to