Globe North best bets
Lowell: Musical writer and performer Rene Pfister returns with a naughty night of mayhem in “Gay Country Christmas.’’ This rowdy cabaret features original rock, pop, and country Christmas songs. Friday and Saturday, 7 p.m., Whistler House Museum of Art, 243 Worthen St. $25. 978-452-7641, www.whistlerhouse.org.
Newburyport: The Indigo Artist Studio Holiday Open House features Mary Arthur Pollak and Lillian Coolidge, and guest artist Melynn Allen exhibiting an array of original artwork including monotypes, oils, mixed media, and functional pottery in all sizes, prices, framed and unframed work. Saturday, 11 a.m. to 5 p.m. Indigo Artist Studio, 53 Middle St. Free. 978-500-0564, www.indigoartstudio.com.
Somerville: Stephanie Schorow and Beverly Ford unveil their new book, “The Boston Mob Guide: Hitmen, Hoodlums and Hideouts,’’ with a reception and talk. Schorow and Ford will discuss the history of organized crime in Boston and present a slide show featuring historic photos and documents from the 1800s to the present day. Wednesday, 7 p.m., Somerville Public Library, Main Branch, 79 Highland St. Free. 617-623-5000.
Somerville: “For the Sake of the Song’’ brings together local musicians to perform their own material and pay tribute to songwriters who have influenced them. Pay tribute to Tom Petty with Sarah Blacker, Kim Davidson, and Jon Berman. Hear classic songs like “You Don’t Know How It Feels,’’ “Free Falling,’’ and more along with original material from featured artists. Saturday, 7:30 p.m., Center for the Arts at the Armory, 191 Highland Ave. $8. 617-718-2191, www.forthesakeofthesong.com.
Event organizers: Submit items directly to boston.com/addevents.