Ladysmith Black Mambazo will perform as part of the Pittsburgh Cultural Trust's "Showcase Noir" at 7 p.m. Sunday at the Byham Theater lobby, 101 Sixth St. Tickets for the concert to see the Grammy-Award-winning South African a cappella group range from $20 to $37 and are available by calling 412-456-6666 or visiting www.pgharts.org.region

Amateur singers and dancers of all ages will perform in the St. Barnabas Charities version of "American Idol" and "Dancing with the Stars." The schedule for singers is: 1 p.m. Saturday and Sunday as well as March 7 and 14 and at 1 and 4 p.m. March 21. The vocal final will be at 7 p.m. April 9. Dancers perform at other times. Registration fee is $25. Tickets to attend the show are $10. Proceeds benefit the St. Barnabas Free Care Fund. Call 724-443-0800.