WASHINGTON, DC - SEPTEMBER 14: Instruments, costumes and other artifacts fill the in the Musical Crossroads section of the fourth floor Culture Galleries at the Smithsonian's National Museum of African American History and Culture during the press preview on the National Mall September 14, 2016 in Washington, DC. Filled with exhibits and artifacts telling the story of the first Africans in the United States and their descendents, the 400,000-square-foot museum will open to the public on September 24. (Photo by Chip Somodevilla/Getty Images)