Performance. “Lady Moses: The Life and Times of Harriet Tubman” (Encore Presentation). 10:30 a.m.-12:30 p.m., DuSable Museum of African American History, 740 E. 56th St., 773-947-0600, dusablemuseum.org. The story of Underground Railroad conductor and abolitionist Harriet Tubman told through monologue, poetry and song. For students grades 4 through 12.