Metallica first performed at the Rock Werchter festival on July 4, 1993, which just so happened to be the final stop on their tour for the "Black Album."
Coming back to the stage at Allegiant Stadium in Las Vegas for a few more songs, Metallica opened their encore with a blistering performance of "Battery."
It's not like a random bride just jumped up to play the trap set, there's a little more to the story, but it still kicks ass. Click through for details.