Iron Maiden have begun a run through 1980, as their song 'Phantom of the Opera' just concluded its second straight Classic Cage Match victory. The song, which came from the band's self-titled debut disc while Paul Di'Anno was still their frontman, bested the Ronnie James Dio-led Black Sabbath and their 1980 single 'Heaven and Hell.'

This week Iron Maiden squares off against another 1980 classic -- Diamond Head's 'Am I Evil?' The highly influential song, with its march-like guitar and drum work, has been covered by Metallica and has long been a favorite in metal circles. Like Maiden, Diamond Head were just getting their start in 1980. 'Am I Evil?' is featured on their debut disc 'Lightning to the Nations.'

Check out both songs and tell us whether you think Iron Maiden's 'Phantom of the Opera' or Diamond Head's 'Am I Evil?' deserves to advance in this new Classic Cage Match. Vote in the poll below.

(This Cage Match will run until Friday, May 2, at 2PM ET. Fans can vote once per hour! So come back and vote often to make sure your favorite song wins!)

Iron Maiden, 'Phantom of the Opera'

Diamond Head, 'Am I Evil?'

Rules of Classic Cage Match:

Classic Cage Match songs must be at least 10 years old. Fans can vote once per hour for their favorite song. If a band remains the reigning champ for four straight cage matches, they are entered into the Loudwire Classic Cage Match Hall of Fame. With so many great songs out there, we have to give other bands a chance!