Barleywine Festival Tonight; Boston Lamb Jam

CAMBRIDGE - Tonight the Cambridge Brewing Company hosts its annual Barleywine Festival. There will be roughly a dozen barleywines, "some cask surprises" and a special tapas menu. Starting an hour ago and going till midnight. No cover, no extra cost. [BeerAdvocate via BostonTweet]

JP- Tres Gatos tapas bar, book and music store is partnering with their neighboring hat shop Salmagundi for a Hat Party/20’s Dance Night. Guests are encouraged to wear "stylish" hats (i.e. not ball caps) for a a 10% discount on books and music. Monday, February 6th, 10pm, 617-477-4851. [Official Site]

CAMBRIDGE - The American Lamb Board teams up with BostonChefs for the third annual American Lamb Jam, at which local chefs compete for the title of "Boston Lamb Master." Hosted by TV Diner’s Billy Costa with chefs from 606 Congress, Bistro du Midi, Citizen, Clink and tons more. At the Charles Hotel on February 19, 3:00 p.m. – 6:00 p.m, $50. Buy tickets here.