Well-known jazz musician Joe Negri will perform "The Mass of Hope," which he wrote, on Tuesday to benefit the Butler Memorial Hospital Caring Angel program and the Butler School District's Golden Tornado Scholastic Foundation. The concert will begin at 7:30 p.m. at Butler Intermediate High School. Also performing will be two professional cantors and the Butler Intermediate and Senior High Schools student choirs. Concert tickets are $15 and are available at the Butler School District administration office, the Cherry Tree Gift Shop at BMH, May's Music Shoppe on East Jefferson Street, Truly Yours at Clearview Mall, and all Friedman's Supermarket locations. Call 724-284-4716.

The Butler County Symphony Association's 19th annual Holiday Tour of Homes is planned for 10 a.m. to 5 p.m. Saturday. Five private homes, plus a cookie reception from 11 a.m. to 4 p.m. at Newhaven Court at Clearview, 100 Newhaven Lane, are included. Tickets can be purchased for $15 in advance at the symphony office, 259 S. Main St.; May's Music Shoppe, 247 E. Jefferson St.; Flynn's Tire Center, 236 N. Main St.; Truly Yours, Clearview Mall; Thinking Cap, Point Plaza, and Meridian Station, 298 Meridian Road. On the day of the tour, tickets will be for sale at each house and at the reception for $18.

<B>Pittsburgh Youth Symphony Orchestra</B> presents a free concert at 7:30 p.m. Sunday at Heinz Hall, 600 Penn Ave. Music director is Daniel Meyer. For free tickets, visit the Web site, www.pyso.us.