Watch Metallica / Gaga Grammy Rehearsal Performance

Although technical difficulties was the talk of the town after the Metallica and Lady Gaga’s performance, still by far it was the most anticipated part of the 2017 Grammy’s. While some in the rock music community speculate this was done intentionally, since the Grammy’s have been honoring the same artist over and over again, while loud guitars, drums, bass and vocals is almost unacceptable as a live performance on national TV. Watch below the rehearsal with working mics.