Lunchtime concerts, hosted by the Butler County Symphony Association, take place at noon Fridays, some in the symphony office at 259 S. Main St. and some in Diamond Park, across from the Butler County Courthouse on Main Street. Scheduled for Friday is classical music with Nanette Kaplan Solomon in the BCSO office. Admission is free. Call 724-283-1402 or visit www.butlersymphony.org.

Zelienople Community Park Amphitheatre is the site of a Summer Concert Series scheduled to feature jam band The Cause on Saturday.