Every few years, some piece of pop culture jumps up, grabs hold of us and just won’t let go. In this case, it was the unassuming prequel to Zach Snyder’s Army of the Dead. Considering they both deal with zombies, perhaps the surprise (and parallel) was quite funny, even serendipitous. What really comes alive in this heist film, which are usually fun by nature, is the music. At times, it is white-hot to match the energy (and calamity) fueling this team of discarded dorks. Other times, it is somber and anguished as these characters wear their emotions on their sleeves. Further, the sound pulsing through the speakers is so unexpected…