Comtra Theatre, Route 19 in Cranberry Township, is presenting the comedy/thriller "Postmortem" through May 2. 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.pittsburgh

Quantum Theatre presents "Yerma" by Federico Garcia Lorca through Sunday at Art Dimensions, 6000 Penn Ave. in East Liberty. "Yerma" is a musical folktale, blending song and poetic text into a modern story. Quantum's production joins the long tradition of Lorca interpretations that use flamenco to express these rhythms. Curtain is at 8 p.m. tonight through Saturday and at 7 p.m. Sunday. Tickets range from $25 to $35; a limited number of $15 student tickets are available. Call 412-394-3353 or visit the Web site, www.quantumtheatre.com.

"My Way: A Musical Tribute to Frank Sinatra" continues through May 10 at the Cabaret at Theater Square, 655 Penn Ave. "Fly Me to the Moon," "It Was a Very Good Year," "The Lady Is a Tramp," and, of course, "My Way," are among the 56-song revue that will played that evening. Performances will be at 7:30 p.m. Wednesdays, 1 and 7:30 p.m. Thursdays, 7:30 p.m. Fridays, 2 and 7:30 p.m. Saturdays and 2 p.m. Sundays. Tickets are $39.50 for evening shows and $34.50 for matinees. Call 412-456-6666.

Pittsburgh Public Theater presents an all-new production of Eugene O'Neill's classic, "A Moon for the Misbegotten," through May 17 at the O'Reilly Theater, 621 Penn Ave. Set on a Connecticut farm, the tale is one of revenge, passion and sorrow but eventually cleansing. Performances are scheduled at 8 p.m. Tuesdays through Saturdays (except May 12 when the show is at 7 p.m.), and at 2 and 7 p.m. Sundays (except May 17 when the only show is at 2 p.m.), with additional 2 p.m. matinees on May 2, 9, 14 and 16. There will be no public performance on April 29. Tickets range from $35 to $55; students and anyone age 26 and younger pay $15.50. Call 412-316-1600 or visit the Web site, www.ppt.org.

<B>The Barrow-Civic Theatre</B>, 1223 Liberty St., Franklin, will present the classic play, "To Kill a Mockingbird" at 8 p.m. Friday and Saturday and May 2 and at 2 p.m. May 3. Tickets are $15 for adults, $14 for senior citizens and $10 for students. Call 814-437-3440 or 800-537-7769.<B>Armstrong Community Theater</B> will present the murder mystery dinner theater production "The Hilarious Hillbilly Massacre" at 7 p.m. Friday and Saturday at the Kittanning Country Club on Belltop Drive. The doors and cash bar open at 6 p.m. Tickets are $25 each. Call 724-763-3680.<B>New Castle Playhouse</B>, 202 E. Long Ave., New Castle, presents the Youth Theatre musical "101 Dalmatians," through Sunday. Curtain is 7:30 p.m. Friday and Saturday and 2 p.m. Sunday. Tickets are $10. Call the box office at 724-654-3437 or visit www.newcastleplayhouse.org.