COUNTYMusic in the Courtyard at the Butler Public Library, 218 N. McKean St., will feature Cloud Chamber on Aug. 19 and Well Strung on Sept. 9.The library and Thompson-Miller Funeral Home are hosting the free concert series. Call 724-287-1715.Butler County Symphony Orchestra’s free summer lunchtime concert series takes place at the symphony office, 259 S. Main St., and runs Wednesdays through Aug. 31. Shows begin at noon. Performing Wednesday will be Cloud Chamber with jazz music. Call 724-283-1402.The free Family Summer Concert Series, hosted by the Butler County Parks and Recreation Department, will feature North Star Kids, vocal harmony musical theater, at 6:30 p.m. Tuesday in the Odd Fellows Gazebo at Alameda Park, Butler Township.The Ayres Foundation Concert Series at the James A. Ayres Amphitheater in Zelienople Community Park will host the H-Z Jazz Band at 7 p.m. Friday. Phase IV, and Scott, Rob, and Greg of The Clarks Acoustic, will play at 6:30 p.m. Aug. 19 (rain date Aug. 21). Cost is $5.Thursdays in the Park concerts begin at 7 p.m. select Thursdays on the lawn at the Rotary Amphitheater in Cranberry Township Community Park and will feature Cranberry-based Phase IV Band tonight and eclectic music with Lenny Smith & the Instant Gators on Aug. 18. Call 724-776-4806.Free Friday Lunchtime Concerts in the gazebo at the Cranberry Township Municipal Center for the final concert will feature Keystone State Music Theater students at noon Friday. Take a lawn chair.Harmony Borough Parks Board concerts will feature the John Burgh Band at 7 p.m. today. Admission is free. Take seating. Call 724-452-6780.Harmony in the House presents songwriter, guitarist and storyteller from Nashville Tom Mason at 7 p.m. Friday at Bottlebrush: A Gallery for the Arts, 539 Main St., Harmony. Admission is $15. Call 724-452-0539 for reservations.

REGIONChatham University’s Eden Hall Campus Summer Series will host a bluegrass festival from 3 to 10 p.m. Saturday at the Hilda M. Willis Amphitheater on the campus in Richland Township, Allegheny County. Visit chatham.edu/summerseries.Hartwood Acres’ outdoor amphitheater off Middle Road in Hampton Township, Allegheny County, will be the site of a free performance by Booker T’s Stax Revue, soul, at 7:30 p.m. Sunday.