COUNTY

Butler County Symphony Orchestra will present “Holiday Traditions” with the Butler and Seneca Valley high school choirs at 7:30 p.m. Dec. 2 at the Butler Intermediate High School auditorium. Call 724-283-1402, visit the office at 259 S. Main St., or visit www.butlersymphony.org.

REGION

Allegheny RiverStone Center for the Arts presents “One Piano — 4 Hands” with David Allen Wehr and Cynthia Rain at 2 p.m. Sunday at Lincoln Hall, 42 S. Palmer St., Foxburg. Tickets are $25 for adults and $5 for students. Visit www.alleghenyriverstone.org or call 724-659-3153.

PITTSBURGH

Pittsburgh Youth Symphony Orchestra will present a free concert “Pictures at an Exhibition” at 7 p.m. Sunday at Soldiers & Sailors Memorial Hall, 4141 Forbes Ave. The concert is free but tickets are required and available at www.pyso.org or by calling 412-392-4872. Tickets also will be available the day of the performance one hour before the concert.