Narrator, Robert Redford ; commentary, Taj Mahal, Jack White, Charlie Musselwhite.
Featured performers in the sessions: Alabama Shakes, The Americans, Ana Gabriel, Ashley Monroe, The Avett Brothers, Beck, Bettye LaVette, Bobby Ingano, Elton John, Frank Fairfield, Jerron "Blind Boy" Paxton, Los Lobos, Lost Bayou Ramblers, Nas, Pokey LaFarge, Raphael Saadiq, Rhiannon Giddens, Steve Martin and Edie Brickell, Taj Mahal, Jack White, Willie Nelson and Merle Haggard.
Featured historical performers: The Carter Family, Memphis Jug Band, Elder Burch, The Williamson Bros. & Curry, Dick Justice, Charley Patton, Hopi Indian Chanters, Joseph Kekuku, Lydia Mendoza, the Breaux Family, Mississippi John Hurt, and Blind Willie Johnson.