Only a band like Copeland could bring together such a vast array of individuals. As I scanned the crowd once Copeland ended the show, I saw everyone from ravers to indie kids, wannabe hardcore kids and punks, Jesus freaks and people over 40 years old. That diversity didn’t matter, though, because despite that diversity, there was a unity. There were different points during their set that Aaron Marsh, the band’s vocalist, stopped singing and the crowd…