The Lincolnwood Chamber Orchestra performs a concert of Bulgarian and American music on Saturday, June 30, 7PM, at the Skokie Theater, 7924 N. Lincoln. Philip Simmons conducts works by Golimenov, Nenov, Zlatev-Cherkin, Williams, and Copland with violin soloist Kamen Vatchev. Tickets are $15, available at the Skokie Theater Box Office (773-598-4549) or on line at www.gorillatango.com.