Though rooted in hardcore, these underground juggernauts are two of the most experimental and unrelenting metal bands of this century. Both acts are true originals, and they go head-to-head in this matchup to try and find the best metal album of the 21st century in this March Metal Madness tournament.

Converge's 'Jane Doe' has made, if not topped, many 'Best of the 2000s' metal lists, and for good reason. If you've ever seen Converge live, you know that the band's fan base is perhaps the craziest group ever to invade a mosh pit. When listening to 'Jane Doe,' it isn't difficult to hear why. The utter insanity contained within 'Jane Doe' feels all over the place and precisely controlled at the same time as 'Concubine' and 'Fault and Fracture' set the mood for a 12-track onslaught.

The Dillinger Escape Plan is possibly the most unhinged band on the planet. The band's ultra-technical and death defying mathcore hit a peak with 'Ire Works' in 2007, although Dillinger have released lots of solid material since the 1999 game-changer 'Calculating Infinity.' The addition of vocalist Greg Puciato to the group is key to the character of 'Ire Works, although fans were treated to a Dimitri Minakakis appearance on the track 'Milk Lizard.'

Converge's 'Jane Doe' or The Dillinger Escape Plan's 'Ire Works'? Vote for your favorite 21st century album in the poll below!

(This poll will end on Sunday, March 9 at 11:59 PM ET. Fans are able to vote once per hour, so keep coming back to make sure your favorite album wins!)

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