Carrie Haddad Gallery: Opening reception for the artists in "Radical Inventions," an exhibit featuring the work of five gallery artists. 2 to 4 p.m. All are welcome to attend. On view through Dec. 27. Information: 518-828-1915 or email firstname.lastname@example.org. 622 Warren St., Hudson, N.Y.
Creative Spirit: A Showcase of Women Writers, Artists & Artisans sponsored by Berkshire Creative Collaborative. Over 50 women will be represented, 1 to 4 p.m., Berkshire Hills Country Club, 500 Benedict Road, Pittsfield.
Berkshire Grown: Holiday Farmers' Market. 10 a.m. to 2 p.m. Locally grown and produced foods and gifts, plus live music, lunch fare and children's activities. Free. EBT cards/SNAP benefits accepted. Williams College Towne Field House, 82 Latham St., Williamstown.
Festival of Trees: "Westward Ho Ho Ho!" More than 100 holiday trees decked out in this year's American West theme fill the galleries, noon to 5 p.m., Berkshire Museum, 39 South St., Pittsfield.
Great Pie Palooza: Sample a number of pies and vote for your favorite, 11:15 a.m., First Congregational Church, 906 Main St., Williamstown.
St. Agnes Church: Christmas Bazaar & Craft Fair, 40 vendors, raffles, 50/50, children's games, cafe, 8 a.m. to noon, St. Agnes Academy, Carson Street, Dalton.
Sheffield Historical Society: Festival of the Holidays featuring Berkshire artisans. 10 a.m. to 3 p.m. Old Stone Store, 137 Main St., Sheffield.
Berkshire Museum: "Paul Taylor: Creative Domain," documentary of how the acclaimed choreographer creates a single dance, 7 p.m., Little Cinema, 39 South St., Pittsfield.
Images Cinema: Bright Young Things family-friendly series — "He Named Me Malala." 1 p.m. Documentary on Nobel Peace Prize Laureate Malala Yousafzai, the teen-age girl education activist shot by the Taliban. Regular admission prices apply. 50 Spring St., Williamstown.
Berkshire Theatre Group: "Come Fly With Me: A Frank Sinatra 100th Birthday Tribute Concert" with The Gregory Caputo Big Band featuring Rob Zappulla. 2 p.m. Tickets: $40 and $25 at the ticket office (Monday-Friday 10 a.m. to 5 p.m., Saturdays 10 a.m. to 2 p.m. or any performance day 10 a.m. until curtain; 413-997-4444 or berkshiretheatregroup.org. Colonial Theatre. 111 South St., Pittsfield.
Drum/Bugle Corps: Pittsfield Red Knights Drum and Bugle Corps practice, 2 to 5 p.m., Victory Temple Church, Dewey Avenue, Pittsfield. Information: Paul Christopher, 413-281-1216 or Betsy Halla, 413-822-5235.
First Church on Park Square: Berkshire premiere of Paul Winter's "Missa Gaia" a new/old setting of the Mass to honor Mother Earth. 3 p.m. Fundraiser for Berkshire Environmental Action Team. 27 East St., Pittsfield.
Starving Artist Creperie: Musical Brunch. Live bluegrass, jazz, funk, classical, and other types of music from talented local performers. Breakfast served until 3 p.m. View the artwork from the adjoined Good Purpose Gallery. 11 a.m., Lee.
W.E.B. Du Bois National Historic Site: Guided walking tours at the W.E.B. Du Bois Homesite, starting at 2 p.m., and in downtown Great Barrington, starting at 4 p.m. (Meet at the W.E.B. Du Bois River Garden at the end of Church Street by the river.) The tours are approximately one hour. Free. email@example.com or 413-717-6259.
Fall Festival of Shakespeare: "Richard III" by Taconic Hills High School, 1:30 p.m.; "The Winter's Tale" by Chatham High School, 3:30, Shakespeare & Co., Tina Packer Plahouse, 70 Kemble St., Lenox. Tickets: $10 students, $16 adults, www.shakespeare.org or 413-637-3353.
Hubbard Hall: World premiere musical, "Wayward Home: A Musical Folktale." 2 p.m. Tickets: $25 general admission, $10 students. Tickets or information: hubbardhall.org or 518-677-2495. 25 E. Main St., Cambridge, N.Y.
WAM Theatre: "Holy Laughter" by Catherine Trieshmann. 2 p.m. Tickets: 413-236-8888, in person during box office, 30 Union St., Pittsfield, or online tickets.barringtonstageco.org. Sydelle and Lee Blatt Performing Arts Center, 36 Linden St., Pittsfield.