It’s a kind of weird and awesome experience to grow up listening to band finally getting to see them in concert. Yes, concert, and we say that because Metallica’s new “movie”, a term to be used very loosely in this situation, can only be called a movie because it was 1. filmed by a camera and 2. will be exhibited theatrically. Held together with what generously can be phrased as a flimsy narrative finds Dane DeHaan, the lead in the 2012 surprise hit Chronicle, as a roadie for the iconic thrash metal band sent on an urgent mission during their sold-out concert. Other than than it’s a bona fide concert that becomes…