CLEVELAND — Maros Bango, a blind singer from Slovakia known as “the Slovak Andrea Bocelli,” will perform at St. Mary’s Crystal Chalet, 3600 Biddulph Ave., May 13. The concert, which will benefit the St. Mary Byzantine Catholic church building fund, will begin at 7 p.m., followed by a dance at 9. Tickets are $20; $15 for ages 16 and younger. Info or tickets: (440) 638-9921 or vismimi@hotmail.com.