Think back to a time before Disney's 2013 box office colossus Frozen became so insanely overexposed and we all started to become entirely sick of it. With a neverending flow of merchandise, "Let It Go" relentlessly playing everywhere you turned, a big-budget Broadway musical adaptation, and that misguided 21-minute-long "short" film that played before Pixar's Coco, it's no wonder Frozen-mania drove everyone a little nuts. With the all-consuming chaos that followed the film, it's easy to forget how sublime Frozen truly was. With a Broadway-style structure which harkened back to the Disney...