We're down to the Final Round in the March Metal Madness tournament! Either Disturbed's "Down With the Sickness" or Avenged Sevenfold's "Nightmare" will be crowned the Best Metal Song of the 21st Century!

Disturbed were the champions of the Stage Dive Region having defeated Ghost's "Cirice," Anthrax's "The Devil You Know" and Slipknot's "Duality." They then took on Headbanger Region victors Iron Maiden and "The Wicker Man," amassing 60 percent of the votes against the British legends. Now they have one more opponent before they can take it all!

Avenged Sevenfold's "Nightmare" emerged as the winners of the Devil Horn Region taking out Children of Bodom's "Everytime I Die," Lamb of God's "Laid to Rest" and System of a Down's "Chop Suey!" In the Semifinals, "Nightmare" squeaked by Judas Priest's "Halls of Valhalla" with barely over 51 percent of the votes. Avenged Sevenfold need one more win!

So which song will be crowned the winner of March Metal Madness 2016? Listen to both tracks and vote for either Disturbed's "Down With the Sickness" or Avenged Sevenfold's "Nightmare" as the Best Metal Song of the 21st Century in the poll below!

(This poll will end on Tuesday, April 5, at 9AM ET. Fans are able to vote once per hour, so keep coming back to make sure your favorite song wins!)

Disturbed, "Down With the Sickness"

Avenged Sevenfold, "Nightmare"

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