Watch Lady Gaga Join Metallica And A Working Mic In Newly Released Grammys Rehearsal Video

When Lady Gaga and Metallica joined forces at the Grammys, their wild “Moth Into Flame” performance was marred by technical difficulties including a malfunctioning microphone for lead growler James Hetfield. Now we know what that gig would have been like had it gone off without a hitch. Gaga has posted footage of the dress rehearsal to her official YouTube account. Watch the fiery practice run below.

It’s very nice of the Grammys to provide canned applause like that.