Iconic rock music star Ozzy Osbourne refused to let one musician join Black Sabbath, as he worried how fans would react if ...

While Ozzy Osbourne and Black Sabbath are considered musical pioneers, that doesn't mean there weren't bands they didn't want to join elsewhere.

Which songs would you pledge your allegiance to being the National Anthems of both rock and metal? Our Loudwire staffers weigh in with their thoughts.