A six-year break is a fairly large gulf for album releases. Fleet Foxes released their last LP, Helplessness Blues, on May 3rd, 2011. At that point in time, Spotify had barely eked its way into the American market, Mitt Romney was a viable presidential opponent and Osama Bin Laden was dead for less than 24 hours. To say certain seismic shifts have occurred since the group’s previous outing is an understatement. The world in which Helplessness Blues and the self-titled record is long gone, so how does their latest, Crack-Up, fare in this new musical landscape? Not well. This a…