Greensburg -- The Philharmonic of Westmoreland Youth Symphony Orchestra Program will hold fall auditions for area high school and college students who play string, woodwind, brass and percussion instruments at noon Sunday at the Seton Hill University's Performing Arts Center, 100 Harrison Ave. Advanced middle school students are accepted in some cases. The Philharmonic rehearses from 6:30 to 9 p.m. Wednesday evenings beginning Wednesday at the Performing Arts Center. Information: 724-837-1850.
Penn Hills -- United Presbyterian Church of Universal, 2545 Main St./Universal Road, will hold its annual Peach Festival from 3 to 7 p.m. Saturday. Information: 412-793-1335.
Wilkinsburg -- Classic Events! will sponsor a Youthpreneur business networking mixer at 11 a.m. Friday at Hosanna House, 807 Wallace Ave. Information: 412-723-2414.
Derry Township -- The state Department of Conservation and Natural Resources will sponsor a "Wild Food Fest" from 7 to 8 p.m. Saturday in Keystone State Park, 1150 Keystone Park Road. Registration: 724-668-2566.
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