It features one of the most indelible opening riffs in heavy metal history, and the memorable riffs just keep coming throughout the song. The opening line of I am Iron Man, sung in a voice that sounds ...

Black Sabbath's 1970 metal dirge "Iron Man," a song about a fellow traveler through bleak dystopias, wasn't written as the definitive pro-wrestling entrance music, but for fans of the "sport," its ...