Comtra Theatre, Route 19, Cranberry Township, presents “Three Murders and It's Only Monday” Friday through April 2. Curtain is at 7:30 p.m. Fridays and Saturdays. Tickets are $12 for plays and $15 for musicals. Reservations can be made at 724-773-9896.REGION

Ghostlight Theatre Troupe is staging “The Last Five Years” by Jason Robert Brown at 8 p.m. today through Saturday at the Legacy Theater/UPMC Cumberland Woods Village, 700 Cumberland Road, Allison Park. Tickets are $12 for adults and $10 for senior citizens and students. Call 724-449-1165.

Barrow-Civic Theatre, 1223 Liberty St., Franklin, presents “Romeo and Juliet” Friday through Sunday on the Barrow Main Stage. For tickets, call 814-437-3440 or 800-537-7769 or visit www.barrowtheatre.com.

<B> “Shrek the Musical” </B>will be presented by DreamWorks Theatricals and Neal Street Productions Ltd. through Sunday at the Benedum Center, 719 Liberty Ave. Mars native Sean McKnight is part of the show. Tickets range from $22 to $68 and are available by calling 412-456-6666 or online at www.pgharts.org.<B>“Nunsense,”</B> the musical about the Little Sisters of Hoboken, is being staged through April 17 at the CLO Cabaret Theater, 655 Penn Ave. Shows are at 7:30 p.m. Wednesdays through Saturdays and at 2 p.m. Saturdays and Sundays. Tickets start at $34.75 and are available by calling 412-456-6666 or visiting www.CLOCabaret.com.<B>Point Park University’s Conservatory Theatre Company </B>presents the musical “Evita” today through Sunday at the Pittsburgh Playhouse, 222 Craft Ave. Performances start at 8 p.m. today through Saturday and at 2 p.m. Saturdays and Sundays. Tickets range from $18 to $20. Call 412-392-8000 or visit www.pittsburghplayhouse.com.<B>Quantum Theatre,</B> a local experimental theater company, will continue its 20th season with “Maria De Buenos Aires” by Astor Piazzolla, a poetic, musical story of a woman and the tango, from March 24 to April 17 at the YMCA at 120 S. Whitfield St., East Liberty. Curtain is at 8 p.m. Wednesdays through Saturdays and at 7 p.m. Sunday. Tickets range from $30 to $45 with a limited number of $16 student tickets available. Call 888-718-4253 or visit the website www.quantumtheatre.com.