Brahms’ majestically gloomy First Symphony turned classical music inward and revolutionized what a symphony could be. More than a century later, Radiohead muted their rock guitars for the textured, insular OK Computer, a groundbreaking album that redefined rock. So why not mash the two together? In an exercise of musical alchemy, Conductor Steve Hackman and the Charlotte Symphony explore and experiment with these two introverted masterworks.