​Seven hours. That's how long Ryan Evans mixes up the mayhem at Buck 15 each and every Friday night. Seven hours. But if you're the kind of DJ who can begin with '90s hip-hop, segue through commercial house, and peak with classic rock and roll, well, seven hours is just another drive-by. The kind of drive-by that leaves the dance floor riddled with musical bullets and keeps people talking well into next week. But the Orange County, California native isn't simply the kind of DJ who stands