Maya Angelou knows why the caged bird sings, but at Side Bar the more relevant question is why the caged DJ spins. Suspended above the dance floor in the ultra lounge’s enormous birdcage, DJs flanked by sensual go-go dancers blast an onslaught of dance hits, a spectacle that has earned the club mentions by Us Weekly, 944 Magazine, and NBC San Diego. A series of smaller birdcages also dangle from the lofted ceiling, floating above a sprawl of mismatched leather booths and velvet couches. At the bar, head bartender Isaac Krejci crafts a steady stream of his signature cocktails, while staffers deliver bottle service to patrons in VIP booths. On breaks from the dance floor, night owls can recharge their robotic hip-swiveling leg braces with plates of bar food such as wings, specialty pizzas, and strombolis.