Self-proclaimed BasedGod, Brandon McCartney spreads love and laughter whether he’s the cult leader of his overtly optimistic “Based” movement, a motivational speaker at MIT, or a Twitter troll with his infamous NBA Championship curses. The Berkeley rapper’s stream-of-consciousness and mercurial character highlight the hyphy, funky Black Ken, universal love ethos on I’m Gay (I’m Happy), and cosmic Illusions of Grandeur. Rising San Marcos 10-piece Pnthn opens.