Whether you like it or not, Iron Maiden are one of the most successful British bands of the last 35 years, ignoring traditional methods of support to stay at the top of the pack. They’ve (fairly) consistently managed to stay ahead of their peers, and even after all this time, still manage to pull out a few surprises. They’re going to be spending a large portion of 2014 on the road, effectively laying rest to their 80s legacy in a series of epic gigs all across Europe. But for those of us who’ve never appreciated the unique charms of the…