Comtra Theatre, Route 19 in Cranberry Township, presents “Harps and Harmonicas” through Oct. 29. Curtain is at 7:30 p.m. Fridays and Saturdays. Tickets are $15. Call 724-773-9896.

<B>New Castle Playhouse</B>, 212 E. Long Ave. in New Castle, presents the musical “Rent” through Oct. 30 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>Winnie Flynn and company</B> present “Good Times,” her first musical revue in 17 years, at 8 p.m. Fridays and Saturdays and 2 p.m. Sundays opening Friday and continuing through Oct. 30 at the new theater at Cumberland Woods Village in the North Hills UPMC Senior Communities in Allison Park. Tickets are $20 in advance and available by calling 412-394-3353 or at www.proartstickets.org. Call 412-635-8080 for tickets on the day of the performance. Tickets will be $25 at the door. Visit the website www.upmcseniorcommunities.com.

<B>Quantum Theatre</B> is staging its world premiere Karla Boos adaptation of Graham Greene’s “The End of the Affair” through Oct. 30 at the former Emma Kaufmann Clinic, 3028 Brereton St. in Polish Hill. Curtain is at 8 p.m. Wednesdays through Saturday and at 7 p.m. Sundays. Tickets are $35 to $48; students pay $18. Call 888-718-4253 or visit www.quantumtheatre.com.<B>Point Park University’s Conservatory Theatre Company </B>presents the musical “A Chorus Line” Friday through Oct. 30 at the Pittsburgh Playhouse, 222 Craft Ave. Performances are at 8 p.m. Thursdays through Saturdays and at 2 p.m. Saturdays and Sundays. Tickets are $18 to $20 and available by calling 412-392-8000 or visiting www.pittsburghplayhouse.com.