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HARVARD SQUARE — Take a break from this weekend's consumption of traditional spring lamb at Legal Sea Foods Charles Square, which is offering a live crawfish boil from 11 a.m. - 11 p.m. tomorrow and Saturday, April 4. The first-of-the-season crawfish, prepared for two at $26, are boiled and served with red bliss potatoes, andouille sausage, and corn on the cob. Call 617-491-9400 or make a reservation online. [Official Site]
UNION SQUARE — Brass Union's music curator Jeff Wallace, inspired by his mother's survival of breast cancer and her upcoming Marathon run, is organizing the fifth annual Music vs. Cancer fundraiser for the Dana-Farber Cancer Institute this Saturday. For a $10 minimum donation to the research center, enjoy complimentary appetizers, a silent auction, 50/50 raffle, shuffleboard tournament, and live musical entertainment. The party starts at 2 p.m. [FB]
DAVIS SQUARE — Think your guacamole's got it? Send your most creative recipe to the pros at The Painted Burro by Monday, April 5, and maybe you'll get a chance to compete in the restaurant's third annual Guac Off on Sunday, April 12. Tickets to the April 12 event are free, so the public can "guac the vote" alongside local celebrity judges. The guacamole champion earns eternal glory, space on the Burro's menu, and a $150 gift card. [Eventbrite]