Musical Theatre Guild is staging "Nunsense," a musical comedy, at 8 p.m. Fridays and Saturdays and 2 p.m. Sundays through July 20 at the MTG Production Center in Butler Memorial Park. Tickets are $15 and are available at Mays Music Shoppe, 247 E. Jefferson St. Call 724-287-8243.

Comtra Theatre, Route 19 in Cranberry Township, is staging the musical "Guys and Dolls" from July 11 to 26 at the theater on Route 19. The story is set in New York City and includes songs like "A Bushel and a Peck," "Adelaide's Lament" and "Luck Be a Lady." Shows start 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.

<B>Pittsburgh CLO</B> presents former "Knots Landing" star Michelle Lee in "Mame" through Sunday at the Benedum Center, 719 Liberty Ave. "Smokey Joe's Café" will run from Tuesday through July 20. Tickets to CLO performances start at $18.50 and are available by calling 412-456-6666 or by visiting the Web site, www.pittsburghCLO.org.<B>The Backstage Bar and Cabaret at Theater Square</B>, a project of The Pittsburgh Cultural Trust, in Theater Square at 655 Penn Ave., is showing "Shear Madness" through Sept. 28. Performances start at 7:30 p.m. Wednesdays through Saturdays, at 2 p.m. Saturdays and Sundays and at 1 p.m. select Thursdays. Tickets are $39.50 for evenings or $34.50 for matinees. Call 412-456-6666 or visit the Web site, CLOcabaret.com.