Comtra Theatre,

Route 19 in Cranberry Township, is staging "Wizard of Oz" from Friday through Sept. 4. Shows start at 7:30 p.m. Fridays and Saturdays. Tickets are $12. Call 724-773-9896.

Civic Light Operais showing "Dreamgirls" through Sunday at the Benedum Center, 719 Liberty Ave. Call 412-281-2822.Red Barn Theateris staging "Glengarry Glen Ross," a drama by David Mamet, from Tuesday through Sept. 5 at the barn theater, 3101 McCully Road, Allison Park. Individual tickets cost $12 for adults and $9 for senior citizens and students. Call 412-487-4390.

New Castle Playhouse,202 E. Long Ave., New Castle, is staging "The Seven Year Itch" from Friday through Sept. 5. Tickets for the comedy cost $13 for adults and $11 for senior citizens and children. Call 724-654-3437 between 9 a.m. and 5 p.m. for reservations. The show begins at 8 p.m. Friday and Saturday and Aug. 27 and 28 and Sept. 3 and 4, as well as 3 p.m. Sunday and Aug. 29 and Sept. 5. Opening night will have a wine and cheese party at 7 p.m. in the Annex Theater for all ticket holders. Call 724-654-3437 between 9 a.m. and 5 p.m. Mondays through Fridays.