Musical Theatre Guild's summer production of “Songs for a New World” runs at 8 p.m. Friday and Saturday and at 3 p.m. Sunday at the William A. Lehnerd Performance Hall in the MTG Production Center in Butler Memorial Park. Tickets are $17 and available at May's Music Shoppe, 247 E. Jefferson St. Call 724-287-8243.

Comtra Theatre, Route 19, Cranberry Township, presents “Bye Bye Birdie” through Saturday. “Come Blow Your Horn” will run July 27 to Aug. 11. Curtain is at 7:30 p.m. Fridays and Saturdays. Tickets are $15 for “Birdie,” a musical, and $12 for “Horn,” a play. Call 724-591-8727 or 724-591-5383 or visit www.comtraplayers.com.

Freeport Theatre Festival opens its 23rd summer season with “A Midsummer Night's Dream” at 8 p.m. Friday through Sunday. Tickets are $12 for adults and $10 for senior citizens and students. The theater is at the Steele Farm on White Cloud Road, two miles south of Freeport off Route 356 in Allegheny Township, Westmoreland County. Call 724-295-1934 or visit www.freeporttheatrefestival.org.Kean Theatre, 5847 Meridian Road, Gibsonia, is staging the musical “Chicago” at 8 p.m. Friday and Saturday. Cost is $35. A dinner prior to the show is available; reservations are needed. A matinee will be staged at 2 p.m. Sunday. Cost is $33. An optional luncheon prior to the show is available. Tickets are available by calling 724-444-5326 or visiting www.keantheatre.com. The cast includes Marlaina Guido and Drew Gaworski, both of Cranberry Township; and Whitney Ann Jenkins, Lacreita Crawford, Stefan Lingenfelter, Megan Flannery, Shannon McCarren, Gretchen Breslawski, Tessa Flannery and Greg Crawford, all of Butler.Red Barn Players present “Tuesdays with Morrie” at 8 p.m. today through Saturday at the Red Barn Theater, Route 228, Franklin Township, Beaver County. Call 724-773-7150. Tickets are $12, and reservations are available at 724-773-7150.Armstrong Community Theater presents “Godspell” at 7:30 p.m. today through Saturday at the Kittanning High School Performing Arts Center, 800 Orr Ave. Admission is $12. Visit http://armstrongcommunitytheater.org.

Pittsburgh CLO presents “Fiddler on the Roof” Friday through Sunday at the Benedum Center, 719 Liberty Ave. “Sunset Boulevard” runs Tuesday through July 29. Tickets start at $10. Call 412-456-6666 or visit www.pittsburghCLO.org.