Salem: David Reynolds discusses “Mightier than the Sword: Uncle Tom’s Cabin and the Battle for America.’’ Thursday, 7 p.m. Salem Athenaeum, 337 Essex St. Free. 978-744-2540.
Salem: Sonorium VI is a night of experimental music featuring Gang Clang Mafia, One-Armed Mist, High aura’d, Prehistoric Horse, Northern Machine. Saturday, 8 p.m. The Griffen Theatre, 7 Lynde St. $10. 978-825-0222, www.sonorium.net.
Medford: Cabaret Fest 2012 features 30 cabaret artists in five shows: Friday, 7:30 p.m.; Saturday, 6 and 8:30 p.m.; Sunday, 2 and 4:30 p.m. Springstep, 98 George P Hassett Dr. $15 per show. 781-395-0402, www.bostoncabaret.org.
Wakefield: Peggy Seeger, a member of the North American musical Seeger family, makes the only Massachusetts stop on her farewell tour. She is known for her renditions of Anglo-American folksongs and for her activist songwriting. Saturday, 8 p.m. Linden Tree Coffeehouse, 326 Main St. $16, under 13 $10. 781-246-2836, www.LindentreeCoffeehouse.org.Event organizers: Submit items directly to boston.com/addevents.