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Sylvia,” a comedy by A.R. Gurney and staged by the Northern Lights Theater Company, will go on at 7:30 p.m. Friday and Saturday and Aug. 26 and 27 at the Mars Library to benefit the Butler County Humane Society. Tickets are $20 for adults and $5 for children younger than age 14. A table for eight costs $120. Call 724-538-8795 or 724-272-7589.

Comtra Theatre, Route 19 in Cranberry Township, presents “The Wizard of Oz” from Friday through Aug. 27. Curtain is at 7:30 p.m. Fridays and Saturdays. Tickets are $15. Call 724-773-9896.

<B>Freeport Theatre Festival</B> continues its 22nd summer season with the comedy “You Can't Take It with You” at 8 p.m. Friday, Saturday and Sunday and Aug. 26, 27 and 28. In the FTF Footlights Gallery will be works by Student Art Club members at Highlands Junior and Senior high schools. Admission is $12 for adults and $10 for senior citizens and students. Call 724-295-1934. The location is the Steele Farm, White Cloud Road, two miles south of Freeport off Route 356 in Allegheny Township, Westmoreland County. Dinner is available at the River Forest Country Club will seatings are 5:30 and 6 p.m. Call 724-295-2298 about dinner.<B>The Red Barn Players</B> group presents the third show of the season, the comedy “Moonlight and Magnolias,” at 8 p.m. today, Friday and Saturday and Aug. 24 to 27 at the Red Barn Theatre on Ellwood-Zelienople Road, Route 228, Franklin Township, Beaver County. The show is directed by Annette Quinn of Mars. Tickets are $12. Call 724-773-7150 for reservations.<B>New Castle Playhouse</B>, 212 E. Long Ave. in New Castle, presents the Woody Allen comedy “Biloxi Blues” through Aug. 28 in the Annex Theatre. Curtain is at 7:30 p.m. Fridays and Saturdays and at 2 p.m. Sundays. Tickets are $12. Call 724-654-3437.

<B>Pittsburgh CLO Cabaret</B> presents “The Marvelous Wonderettes” starring Butler native Marlana Dunn along with Stephanie Maloney, Tara Geisler and Courtney Bassett through Oct. 2 at the theater, 655 Penn Ave. Curtain is at 7:30 p.m. Wednesdays through Saturdays plus some Tuesdays and at 2 p.m. Saturdays and Sundays. Seats are $34.75 to $44.75. Call 412-456-6666 or visit www.pittsburghclo.org.