RAVEN HALLOWEEN COSTUME BALL In its 14th year, Raven (a Dyke Night production) is featuring a costume contest for the ladies (three winners will be crowned by the end of the night, including $100 cash for first prize), free tarot readings, and a Svedka photo booth. DJ Susan Esthera will be churning out a mix of Top 40, pop, and hip-hop. Friday, 9 p.m. 21+. Tickets: $10. Milky Way, 284 Amory St., Boston. 617-524-6060, www.milkywayjp.com