Sing Hosanna! will present its Christmas in August Dinner Theatre "Misdeeds at Mistletoe Mine" at noon and 5 p.m. Saturday at the South Butler Fire Hall, 98 Old Plank Road.

Call 724-285-3653 to check on ticket availability for the comedy.

GROVE CITY — The fifth annual Dance in the Middle, a contradance, English country and waltz weekend, will take place Aug. 14 to 16 at two locations.Events on Aug. 14 and 15 will be at the YMCA, 543 E. Main St. Ext., and on Aug. 16 at the Wesley Grange, 622 Old Route 8, Harrisville.Music will be provided by The Contrarians.For times and costs, call 724-372-1959, or visit the Web site, www.grovecitycontradance.com.

OIL CITY — The National Transit Art Studios, 206-210 Seneca St., will hold an Open Studios Saturday from 2 to 8 p.m. Saturday.Twenty artists from jewelers to photographers to glass artists will be on hand. Admission is free.The Peanut Butter Players from Ocean City, N.J., will give a free performance of Seymour Barab's opera "Little Red Riding Hood" at 4 p.m. in the National Transit Great Room.Free musical performances by regional indie singer/songwriters are planned from 5 to 9 p.m. on Seneca Street.For more information, call 814-676-1509.

PITTSBURGH — The 12th annual Shadyside Art Festival will take place from 10 a.m. to 9 p.m. Aug. 29 and 10 a.m. to 5 p.m. Aug. 30 on Walnut Street between South Aiken and South Negley avenues in the Shadyside section of Pittsburgh.Admission is free. For more information, visit www.artfestival.com.

HARMONY — Historic Harmony will host "Portal to the World of the Eastern Woodland Indians 1750-1813," a presentation by Dr. Stephen Glinsky of Slippery Rock, at 7:30 p.m. Tuesday in the Harmony Museum's Stewart Hall. Admission is free.The program will present firsthand accounts of Eastern Indians' impressions of the British, French and settlers from before the French and Indian War to the time of post-Revolution America and the death of the great Seneca Chief Tecumseh.Glinsky, who encourages audience interaction, discusses Indian land cessions, George Washington's 1753 mission to Western Pennsylvania, Christian Frederick Post's work with Delawares and other tribes, the capture of Mary Jemison by Indians, murder of Chief Logan's family, and the 1778 treaty with White Eyes and other Delawares.Harmony Museum is open regularly from 1 to 4 p.m. daily except Mondays and holidays. For more information, call 724-452-7341.