Fred Lawrence and the UI's German Choir will perform a special Mother's Day concert Sunday at the World Heritage Museum. The choir will perform pieces celebrating springtime in the museum's Greek gallery at 3 p.m. The concert will include compositions by Johannes Eccard, Felix Mendelssohn, Leonhard Lechner, Samuel Scheidt and Johann Hermann Schein. 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 p.m. to 5 p.m. Sunday through May 27, when the museum closes for the summer. Admission is free.