Concerts to Munch By, hosted by the Butler County Symphony Association, will feature the Hill Youth Chorale from 12:15 until 12:45 p.m. Wednesday in the symphony office building, 259 S. Main St. The series continues Wednesdays through Aug. 17. Each week a musician or group of musicians perform a free half-hour concert. Audience members can take a lunch or purchase one on site courtesy of Café Main. Cookies and cold beverages are free. Admission is free. Call 724-283-1402.

Musicians' Concert Band will perform at a new site this summer: the Butler Intermediate High School auditorium, 551 Fairground Hill Road. The previous concert site, Miller Auditorium on the Slippery Rock University campus, will be under construction and therefore unavailable. Concerts begin at 7:30 p.m. June 9 and 23, July 7 and 21 and Aug. 4. The MCB Swing Band will join the concert band for the last show of the summer. Admission is $3. For more information, send e-mail to musiciansconcertband@gmail.com.

<B>Three Rivers Arts Festival </B>takes place Friday through June 12. All headline concerts start at 7:30 p.m. (except Sunday performances begin at 6 p.m.) on the Dollar Bank Stage at Point State Park. The schedule includes: Blind Boys of Alabama on Friday, Tom Tom Club on Saturday, James McMurtry with guest Jonny Burke on Monday, The Baseball Project with guest J. Roddy Walston & The Business on Tuesday, Tea Leaf Green on Wednesday, Formula412 on June 9, Brandi Carlile on June 10, Ricky Skaggs on June 11, and Buckwheat Zydeco on June 12. Visit 3riversartsfest.org or call 412-456-6666.

<B>Hartwood Acres summer shows</B> are held outdoors in the Middle Road concert area amphitheater at the park in Hampton Township. All performances are subject to change. Performing folk/rock at 7:30 p.m. Sunday will be Josh Ritter with David Wax Museum. Admission is free. Call 412-767-9200.<B>Kean Theatre</B>, 5847 Meridian Road, Gibsonia, hosts Johnny Angel & The Halos at 8 p.m. Saturday. Tickets are $28, available by calling 724-444-5326. Upcoming shows in the annual “Summer of Fun Oldies Series” will be The Fabulous Hubcaps at 8 p.m. June 11; Jimmy Beaumont & the Skyliners at 8 p.m. July 9; Pure Gold at 8 p.m. July 23; The Jaggerz at 8 p.m. Aug. 5; and The Vogues at 8 p.m. Aug. 20.