Fred Lawrence and the UI German Choir will perform a special concert celebrating springtime April 30 at the World Heritage Museum. The choir will perform at 3 p.m. in the museum's Greek gallery. The World Heritage Museum is located on the fourth floor of Lincoln Hall. It is open 9 a.m. to 5 p.m. Monday through Friday and 2 to 5 p.m. Sundays. Admission is free.