JUST RELEASED: Lady Gaga, Metallica - 'Moth Into Flame' GRAMMYs Dress Rehearsal VIDEO

posted by Chris Davis -

The DRESS REHEARSAL VIDEO of Lady Gaga and Metallica's 'Moth Into Flame' GRAMMY performance was JUST released and ALL mics were WORKING.  Here's what the performance WOULD HAVE been.  Enjoy. 



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