Want to check out a historic concert free of charge? Go to DC before the end of the month.

The Smithsonian Institute annoounced today that Public Enemy, The Roots, Meshell Ndegeocello, Living Colour and D.C.’s legendary Experience Unlimited(EU) are scheduled to play opening weekend of the National Museum of African American History and Culture.

The schedule festival is called “Freedom Sounds: A Community Celebration”, a free, three-day concert taking place on the grounds of the Washington Monument from Friday, Sept. 23 through Sunday, Sept. 25. President Obama is expected to preside over the opening ceremony on the 24th, cutting the ribbon for a museum that was established as an Act of Congress in 2003.

Other performers on the bill include Stax Music Academy, Preservation Hall Jazz Band, 9th Wonder, Sweet Honey in the Rock, Josh White Jr., Dom Flemons, the McIntosh County Shouters and Jean Carne. D.C.-area dance groups the National Hand Dance Association and Urban Artistry also appear on the bill.