Guthrie Arts Guild presents jazz and classical violinist Stanley Chepaitis at noon Friday in the Guthrie Theater, 232 S. Broad St. Tickets are $9 and include a catered meal. Call 814-786-9769 or send e-mail to dan1@savolskiscpa.com

<B>Pittsburgh Opera</B> presents 11-year-old singing sensation Jackie Evancho in concert at 5:30 p.m. Sunday at the Benedum Center, 719 Liberty Ave. The event is part of a weekend that will begin with the opera company’s season-opening performance of Verdi’s “La Traviata” on Saturday. Jackie, a Wexford resident, rose to fame as an “America’s Got Talent” finalist. Tickets to the Sunday concert start at $40. Call 412-281-0912 or visit www.pittsburghopera.org.