Don't Miss the POSTunderground 250th Birthday Extravaganza Sunday, July 26th, Two Shows 3 PM & 7 PM, Free Admission as Always!

Are you tired of birthday parties where the musicians don’t show, the only excitement is a fistfight, and the algae are having more fun than you? Then you need the POSTunderground Summer Project 2026! Twenty-five outstanding musicians perform twenty-five memorable songs for America’s 250th! This birthday celebration is clinically proven to deliver up to five times more joy than the leading brand, at a fraction of the cost! If you’re in pursuit of happiness, look no further! Performance date Sunday, July 26th, two shows, 3 PM and 7 PM. POSTunderground (UPstairs!) 386 Washington St., Brookline. Free admission, free junk food, CASH bar, all ages welcome!