Is it sacrilegious to smoke weed inside a decommissioned church? This seems to be the central question for Baby Stone Gorillas on the set of their “Keep Goin” music video. Dress shirts for the video, the ticking clock on the church rental, our interview — these are afterthoughts for the burgeoning Los Angeles rap group as they exhale the only clouds under the blue sky and blinding sun above the church steps in Glassell Park. When they’ve procured their forgotten dress shirts and ashed their blunts, EKillaOffDaBlocck (21), 5Much (19), P4K (20), and Top5ivee (22) saunter past dark wooden pews and up to the carpeted burgundy altar in the humble, aged, and mercifully cool building. They stand behind four soundless microphones and in front of a lone cameraman, preaching the gospel of perseveran...