We’ve got a good one in theaters this weekend: 28 Years Later, Danny Boyle’s long-awaited sequel to his massively influential 2002 zombie epic 28 Days Later. I haven’t seen it yet, but I can’t wait. Few directors use music better than Boyle, who famously made awesomely ominous use of Godspeed You! Black Emperor in 28 Days Later. John Murphy scored …