Just after 3 p.m. Saturday, with no real announcement, a group of actors, movie makers and regular people just hanging around, hopped into the Oprah Winfrey Theater at the National Museum of African American History and Culture to see acclaimed director Ava DuVernay’s latest. She was there, too, to introduce a 22-minute film called “August 28: A Day in the Life of a People.” The film, commissioned by the museum, will play indefinitely for visitors.

The cast wasn’t bad. Don Cheadle, Lupita Nyong’o, Regina King, Angela Bassett, David Oyelowo, Michael Ealy, Andre Holland, Gugu Mbatha-Raw, and Glynn Turman. And the content was certainly no typical orientation film. Over six segments, DuVernay blended poetry and history into fictionalized vignettes. They are meant to spark a range of emotions, from joy and relief to horror and sadness. That’s what happens when your themes range from the rise of Motown to the lynching of Emmett Till.

After the film, DuVernay spoke with us about creating “August 28.”