Kean Theatre, 5847 Meridian Road, Gibsonia, hosts "Swingin' with an Angel," with Jackie, the alter ego of Johnny Angel, accompanied by a full orchestra for big band, swing and other sounds of the 1930s, '40s and '50s, at 8 p.m. Saturday. Tickets are $21. Call 724-444-5326 or visit the Web site, www.keantheatre.com. Proceeds benefit the St. Barnabas Free Care Fund.

Music in Millbrook will present gospel music with S.L.I.M. Brothers from 7 to 9 p.m. Saturday at the Schoefield Event Center at 409 Creek Road, Jackson Center. Tickets are $7 and will be available at the door. Call 724-662-1490.

<B>Pittsburgh Opera </B>will present<B> </B>George Bizet's "Carmen" through Sunday at the Benedum Center, 719 Liberty Ave. Curtain is at 8 p.m. Saturday and 2 p.m. Sunday. Tickets start at $10. Call 412-456-6666 or visit www.pittsburghopera.org.