February 4, 7-9 p.m. Bluegrass Folk Jam, bring your own acoustic instrument for an informal evening of sharing songs, The Brunswick, 39 West Grand Avenue, Old Orchard Beach. FMI: 207.934.4873, www.thebrunswick.com.
February 5, 5:30-9:30 p.m. Astronomical Society of Northern New England, 5:30-6:30, Business Meeting, 6:40-7:30, Social Hour and Joan's Beginner Astronomy Class (public walk-ins welcome), 7:30-9:30, Club Meeting featuring guest speaker Ian T. Durham, PhD, FRAS, Masonic Hall, 1 North Street, Kennebunk. FMI: www.asnne.org.
February 6, 9-11 a.m. Explore 4 of the 7 Wonders of Tatnic, discover unusual features including Big Bump, Orris Falls and Baker's Oven, led by Doug Mayer and Tin Smith, snowshoes suggested, $5-$10/donation, call to reserve space, Orris Falls Conservation Area, Thurrell Road (meet at trailhead), South Berwick. FMI: 207.646.3604, www.gwrlt.org.
February 6, 9 a.m. -2 p.m. Chocolate Fair, featuring homemade chocolate candy, cakes, cookies, plus jewelry, cards and gifts for Valentine's Day, benefits summer camp trip to Camp Waban, St. Andre Health Care Facility, 407 Pool Street, Biddeford. FMI: 207.282.5171 x 241, www.standre.org.
February 6, 10 a.m.-4 p.m. Standish Sno Seekers Winter Fest, poker rally with prizes, snowmobile safety checks and more, Johnson Field, Route 114, Sebago Lake Village. FMI: 207.329.1967, www.standishsnoseekers.com.
February 6, 1 p.m. "Saco Revisited," an unprecedented glimpse into Saco's history, book signing by Leslie Rounds, Jessica Routhier and Marie O'Brien, Nonesuch Books, 4 Scammon Street, Saco. FMI: 207.282.2638, www.nonesuchbooks.com.
February 6, 6 p.m. "The Magic of Mardi Gras," New Orleans-style dinner and cabaret show, $25/person, call to reserve a seat, ST. Maximilian Kolbe Church, 150 Black Point Road, Scarborough. FMI: 207.883.0334, www.saintmax.com/week.
February 7, 3-5 p.m. The Radio Gang featuring famed bluegrass musician Mac McHale, vintage American Country Music from the 1930s and 1940s, spirited fiddle tunes, gospel, train songs, shout tunes, traditional bluegrass and ballads, free, McArthur Public Library, 270 Main Street, Biddeford. FMI: 207.284.4181, www.mcarthurpubliclibrary.org.