In the '80s and early '90s, Metallica almost singlehandedly brought thrash metal to pop-level relevancy. Its decline since, however, has been steep and consistent. That is until recently, when the band’s latest full-length, Hardwired ... To Self-Destruct, reestablished Metallica as a force to be reckoned with. Not since 1991 has Metallica moved with such purpose, motivation and … well, fun. Diehard fans are enjoying a remarkable 2017, as this return to form coincides with the band’s first North American tour since 2009, the WorldWired Tour. Backed by heavy-metallers Avenged Sevenfold, Metallica — armed with its patented heavy riffs and hook-laden explosiveness — seek to reminds America how it changed the course of music forever. And why, several generations later, the metal world is still feeding off the table scraps it left behind some 35 years ago.