The Mighty Metallica released their groundbreaking metal masterpiece ‘Master of Puppets’ this week back in 1986 and is STILL a major player in the metal arena! This is an album that, in my opinion, really solidified Metallica as a force to be reckoned with bringing a whole new level of thrash to the world. Well to celebrate the release Metallica performed the opening track of the album on Stephen Colberts late night program! Check out the video below