The Keb’ Mo’ band will sing the blues tomorrow.

AP / SIGI TISCHLER

Charlestown will host its annual Rhythm & Roots Festival this weekend at Ninigret Park, 4813 Old Post Rd. Hours are 4 p.m. to midnight tonight, and noon to midnight tomorrow and Sunday. Tickets are $30 to $160, with senior discounts, and free to children 12 and under.

The host band will be the Pine Leaf Boys, playing all three days. Tonight’s lineup includes Bill Kirchen & Too Much Fun, Paul Geremia, Johnny Nicholas & the Texas All Stars, Great American Taxi withVince Herman of Leftover Salmon, and Scythian.

Performing tomorrow will be the Keb’ Mo’ Band, The Waybacks, Marcia Ball & the LA/TX Revue, Red Stick Ramblers, Steve Riley & the Mamou Playboys, Nathan & the Zydeco Cha Chas, and Dan Hicks & the Hot Licks. Sunday will feature the Robert Cray Band, Ed Poullard, Preston Frank & Corey Ledet, the David Bromberg Quartet, Curley Taylor & Zydeco Trouble, Donna the Buffalo, Steve Riley & the Mamou Playboys and The Gourds.

The festival will also feature children’s performances and activities, dance lessons and evening dances to Louisiana dance bands, and Cajun food.

For information or advance tickets, call 1-888-855-6940.