So... Metallica wants you to know something BIG is happening Monday. They're just not saying what yet.
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On social media many are excitedly predicting the group will announce the U.S. leg of their current WorldWired tour.
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The group is currently touring in Asia, but will be stateside Sunday for the Grammys, where they'll perform with Lady Gaga.
Photo Credit: VCG via Getty Images
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