Comtra Theatre, Route 19 in Cranberry Township, presents "Disney's High School Musical" Friday through Aug. 28. Curtain is at 7:30 p.m. Fridays and Saturdays. Tickets are $15. Reservations can be made at 724-773-9896.

<B>Quantum Theatre</B> will stage "The Howling Miller," based on the novel by Finland's Arto Paasilinna, through Aug. 22 outdoors at the Frick Environmental Center, 2005 Beechwood Blvd. In the show, a stranger comes to a quiet town in northern Finland. Part hero, part howler, he's a man, a myth, and a metaphor for a fierce little country of Lapland in the post-war years. Curtain is at 8 p.m. Wednesdays through Sundays. Tickets cost $30 to $45 with a limited number of $16 student tickets available. To order pre-show picnic dinners, call 412-244-8002. Visit www.quantumtheatre.com.<B>CLO Cabaret</B>, is hosting the world premiere of " 'S Wonderful," a new all-singing, all-dancing musical revue celebrating the genius of George and Ira Gershwin, through Sept. 5 at the CLO Cabaret, 655 Penn Ave. Incorporating five mini-musicals inspired by the real events occurring in and around the lives of the Gershwin brothers, this new musical theater revue features classic hits such as "Let's Call the Whole Thing Off," "Shall We Dance," "Someone to Watch Over Me" and "Rhapsody in Blue." Curtain is at 7:30 p.m. Wednesdays through Saturdays and at 2 p.m. Saturdays and Sundays. There are also some shows scheduled at 1 p.m. Thursdays. Tickets range from $34.50 to $44.50. Call 412-456-6666.<B>New Castle Playhouse</B>, 212 E. Long Ave., will conduct auditions for the musical "Annie" on Aug. 22 and 23 for girls ages 6 to 12 and on Aug. 25 and 26 for adults, both from 6 to 8 p.m. Call 724-654-3437.