Comtra Theatre, Route 19 in Cranberry Township, is presenting the comedy "Dirty Rotten Scoundrels" from Friday through Jan. 30. Curtain is at 7:30 p.m. Fridays and Saturdays. Admission is $12 for plays and $15 for musicals. Box office opens at 6:45 p.m. the day of the show. Call 724-773-9896.

<B>Pittsburgh Public Theater</B> in its O'Reilly Theater, 621 Penn Ave., will stage William Shakespeare's comedy, "A Midsummer Night's Dream," Jan. 21 to Feb. 21. Tickets range from $35 to $55; students and those age 26 and younger pay $15. Call 412-316-1600 or visit www.ppt.org.<B>CLO Cabaret</B> is presenting "Forever Plaid" through March 28 at the CLO Cabaret at Theater Square, 655 Penn Ave. "The Plaids" is the story of a 1950s all-male singing group. Tickets are $39.50 for Wednesday, Thursday and Friday evenings, $44.50 for Saturday evenings, and $34.50 for matinees. Call 412-456-6666.<B>City Theatre</B>, 1300 Bingham St., South Side, will present "The Clockmaker," part comic love story, part murder mystery, from Jan. 23 to Feb. 14. Tickets range from $23 to $48. Call 412-431-2489 or visit the Web site, CityTheatreCompany.org.