COUNTYButler County Symphony Orchestra’s free summer lunchtime concert series takes place at the symphony office, 259 S. Main St., and will run Wednesdays from June 1 through Aug. 31. Shows begin at noon. Performing Wednesday will be House of Sax, a Butler High School saxophone quartet. Call 724-283-1402.Musicians’ Concert Band, led by conductor Jeff Kroner, will play at 7:30 p.m. June 9 in the Butler Intermediate High School auditorium. Admission is $5. Visit musiciansconcertband.com.

REGIONHartwood Acres’s outdoor amphitheater off Middle Road in Hampton Township, Allegheny County, hosts an array of performances. Some events have admission fees. Playing at 7:30 p.m. June 5 will be the Boilermaker Jazz Band.