Pittsburgh Ballet Theatre presents "The Nutcracker" through Sunday at the Benedum Center, 719 Liberty Ave. Taking part in the show are Caroline Ciocco of Cranberry Township, Shirlann Harmon of Evans City, and Madeline Hoey and Rachel Thomas, both of Mars. Curtain is at 7 p.m. Friday and Saturday, at 2 p.m. Saturday and at noon and 4:30 p.m. Sunday. Tickets range from $20.50 to $88.50 and are available at Theater Square Box Office, by calling 412-456-6666 or by visiting the Web site, www.pbt.org.