Look inside the Metallica Grammy's rehearsal with Lang Lang

February 12, 2014

 Kreepin Deth via wikimedia)

After spending a small fortune on band therapy a few years back, the guys in Metallica seem like they are getting along great in this new video.

See the behind the scenes prep for the bands collaboration with Lang Lang for the Grammy's.

This must be what it's like in the recording studio too, as they work on a new album, which is expected in 2015.