HARMONY An antiques show and sale has been added to the Harmony Museum's 20th annual WeihnachtsMarkt or German Christmas Market.

The festival will take place from 11 a.m. to 7 p.m. Saturday and 11 a.m. to 4 p.m. Sunday.

Activities include shopping, entertainment, food and beverages reflecting the town's German heritage.

The Yobp-Eckstein holiday display of a miniature log house village with O-Gauge railroad and trolley will be available for viewing at the Harmony Museum, 218 Mercer St.

Visitors can join in caroling when a live Christmas tree is lit in the museum garden Saturday evening.

Admission is $6 for adults, $5 for senior citizens, $3 for students and free for children under 6.

PITTSBURGH The Greater Harmony Chorus presents a “Winter Wonderland of Music,” a free Christmas concert to benefit The Network of Hope Give-A-Gift Holiday Program and the Lighthouse Mission.The concert will be at 3 p.m. Dec. 4 at North Hills Junior High School, 55 Rochester Road.A donation of an unwrapped toy for children ages 2 to 18 and/or canned goods is requested. Monetary donations will also be accepted.For information, visit www.greaterharmony.org or call 724-613-9800.

Pittsburgh International Children’s Theater presents the Pittsburgh premiere of Emerald City Theatre in “The True Story of the 3 Little Pigs” Sunday through Nov. 21 at various locations.The show is scheduled at 2 p.m. Sunday at the Byham Theater, 101 Sixth St.; at 7 p.m. Nov. 17 at Gateway High School; at 5:30 and 7:30 p.m. Nov. 18 at Marshall Middle School; at 7 p.m. Nov. 19 at Hopewell High School; at 11 a.m. and 2 p.m. Nov. 20 at Upper St. Clair High School; and at 2 p.m. Nov. 21 at Seneca Valley Senior High School.Tickets are $9.50 in advance or $11 at the door. Order by calling 412-456-6666 or online at www.pgharts.org.