Mahalia Jackson's dynamic voice has soothed the souls of millions of Americans and was a shining light in the civil rights movement in the 60's. Now the Robin Roberts' biopic on the legendary singer. Nightline co-anchor Juju Chang reports. | Nightline

Mahalia Jackson was a gospel icon and activist who changed the course of the civil rights movement. #ad Danielle Brooks stars in Robin Roberts Presents: #Mahalia on Saturday, April 3rd at 8/7c on Lifetime. #TheMahaliaJacksonStory | The Hollywood Reporter