Swingtime: Mad About Plaid

Swing, salsa, ballroom, two-step, and Latin dancing for the gay, lesbian, bisexual, and transgender community and friends in an alcohol- and smoke-free environment. Free lesson from 8 to 9 p.m.; dancing from 9 to 11 p.m. to live music by the Mood Swings Orchestra. Free parking and refreshments; two blocks from the Green Line. Super-friendly environment, no experience or dance partner needed. For more info, call 617-364-7207 before 9 p.m. or visit www.swingtimeboston.com.