For details on these and more listings, visit whatdoUwannado.com.
Addison Gallery of American Art, Phillips Academy -- 3 Chapel Ave, Andover; open Tues.-Sat., 10 a.m. to 5 p.m., and Sun. 1-5 p.m. Seen and Unseen, Invisible Citings: Elaine Reichek and Jeanne Silverthorne, through Dec. 31. Mark Tobey: Threading Light; through March 11.
Andover Historical Society -- 97 Main St. "Places": An Art Exhibit Inspired by Andover, runs through Dec. 22; visit andoverhistorical.org for specs.
Concord Orchestra -- Young Artists Competition Auditions; Wed., Jan. 17, and Thur., Jan. 18; winner will be featured soloist on Concord Orchestra's concerts in March; high school and younger; applications due Jan. 2; 978-371-1491, 978-369-4967; www.concordorchestra.com.
Discovery Museums -- 177 Main St., Acton (programs are free with admission unless noted). Bessie's New Year's Eve Outdoor Pajama Dance Party, Sun., Dec. 31, 10 a.m.-noon. Especially for Me!, sensory-friendly afternoons (free for pre-registered families), Tues., Jan. 2, 1:30-4:30 p.m.; http://bit.ly/ASDJanuary2018. First Friday Nights Free, Fri., Jan. 5.
Lowell Memorial Auditorium -- 50 East Merrimack St. Shopkins Live! Shop It Up!; Thur., March 1, 10 a.m.; 866-722-8881,