SweetWater 420 Fest 2026 (Day One)

Sweetwater 420 Fest, Shirley Clarke Franklin Park — As its name implies, the beer and weed will be flowing freely, but that’s just one of the aspects of this annual music and sensory-enhancing bash, now in its 20-something-th year. The bands have always been impressive, heavy on jam, roots and the danceable aspects resulting from getting a buzz on and letting go. Friday’s lineup features two sets from the always entertaining, and wonderfully unpredictable, experimental funk, jazz and rock of Umphrey’s McGee along with much quieter indie folk from singer/songwriters’ Watchhouse. — Hal Horowitz