When: Mondays, 6:45 p.m. Continues through March 29
Revels North artistic director Nils Fredland and Band of Fools director Pat MacPhereson lead a weekly jam session for musicians of all ages and abilities. Participants learn a new tune each week. Warm-up and socializing, 6:45 p.m.; session, 7 p.m.
Price: $50-75; preregister.