[naviga:h3]COUNTY[/naviga:h3]

Mars Public Library presents Tom Dudzick’s play “Over the Tavern” performed by the Northern Lights Theater Company at 7:30 p.m. Friday and Saturday in the library’s community room at 107 Grand Ave. Tickets are $15 for adults and $8 for senior citizens and children. Refreshments will be available. Call 724-625-9048.

Keystone State Music Theatre Academy will stage “Elf — The Musical, Jr.” at 2:30 and 7 p.m. Nov. 21 at Marshall Middle School, 5145 Wexford Run Road, Wexford. Tickets are $14 and will be available at the door, or from KeystoneTheater.org.

Children’s Theater presented by the Pittsburgh Cultural Trust will host a production of “Caps for Sale” at 2 p.m. Nov. 22 at Seneca Valley Intermediate High School, Jackson Township. Tickets are $10.50 in advance or $12 at the door. Call 412-456-6666 or visit TrustArts.org/kids.

Comtra Theatre, Route 19, Cranberry Township, presents the musical “The Best Christmas Pageant Ever” by Barbara Robinson through Nov. 21. Curtain is at 7:30 p.m. Fridays and Saturdays. Doors open at 6:30 p.m. Tickets are $15. Visit www.comtratheatre.org or call 724-591-8727. The play “Miracle on 34th Street” will run Dec. 4 to 20.

[naviga:h3]PITTSBURGH[/naviga:h3]

Saxonburg native Allison Cahill will portray a charity worker, the Ghost of Christmas Past and the character Peg in Pittsburgh CLO’s 24th annual production of “A Musical Christmas Carol.” The show is scheduled Dec. 4 to 23 at the Byham Theater, 101 Sixth St. Tickets are $30.75 to $60.75 with half-price tickets available for children ages 3 to 14. Visit pittsburghCLO.org.