The necessity of narratives in cinema is a plot devised by Satan.
Or so you might come to believe, by the end of H.C. Potter’s “Hellzapoppin.”
An adaption of what was in its time the longest running Broadway musical ever, “Hellzapoppin” defies description; in a very literal sense of the phrase. The movie is about the process of translating the stage show to screen, and breaks every fourth wall (probably some fifth and sixth ones as well) through the course…