Credit: Getty Images Every aspiring band needs their big break, and for Metallica, one of their most important early milestones occurred in the early 1980s when they were invited to go on their ...

Heavy metal might not be the friendliest genre in the world, but some albums prove that the genre can sell in droves around the world.

Once the kings of thrash metal, Metallica reinvented themselves in the 1990s to become an even larger force on the hard-rock/mainstream metal scene. While the road hasn't always been easy ...