Comtra Theatre, Route 19, Cranberry Township, presents the musical “Grease” through Saturday. Curtain is at 7:30 p.m. Fridays and Saturdays. Tickets are $15. Reservations can be made at 724-591-8727 or www.comtraplayers.com. Comtra will present the Pulitzer Prize-winning musical “Rent” Aug. 23 to Sept. 7. A tribute to the late Marie Teets will be held at 3 p.m. Sept. 15. Teets, owner and managing director of the Comtra for nearly 30 years, died Feb. 10 of cancer. Admission is free, but donations will be accepted for the Marie Teets Scholarship Fund.

Red Barn Players present the comedy “Rounding Third,” a two-man show featuring Aaron Zimmerman of New Brighton and Brian Cerilli of Franklin Township, at 8 p.m. today through Saturday and Aug. 22 to 24 at the Red Barn Theatre on Route 288, Ellwood-Zelienople Road. “Rounding Third” follows the tumultuous journey of two Little League coaches through a season. Admission is $12. Reservations can be made by calling 724-773-7150.Freeport Theatre Festival presents “Rivertown Firemen's Jubilee” at 8 p.m. Aug. 23, 24, 25, 30 and 31 and Sept. 1, 6, 7 and 8 at the theater on the Steele Farm at 2498 White Cloud Road, two miles south of Freeport off Route 356 in Allegheny Township, Westmoreland County. Tickets are $15 for general admission, $12 for senior citizens and $10 for students. Call 724-295-1934 or visit www.freeporttheatrefestival.org.New Castle Playhouse, 212 E. Long Ave., New Castle, is presenting “Rabbit Hole” through Aug. 25. Curtain is at 7:30 p.m. Fridays and Saturdays and at 2 p.m. Sundays. Tickets are $12. Call 724-654-3437.Franklin Civic Operetta Association and the Barrow Civic Theatre present “Steel Magnolias” at 7:30 p.m. Friday and Saturday and Aug. 23 and 24 and at 2 p.m. Aug. 25 at the Barrow-Civic Theatre, 1223 Liberty St., Franklin. Call 800-537-7769 or 814-437-3440.

“Side By Side By Sondheim” concludes Sunday at the Cabaret at Theater Square, 655 Penn Ave. Tickets are $34.75 to $44.75 and available by calling 412-456-6666 or visiting CLOCabaret.com.