'Mr. Soul!' is the award-winning documentary about the public television variety show 'Soul!' and its host Ellis Haizlip, coming to HBO Max August 1st. Produced and directed by Melissa Haizlip, the documentary chronicles how her uncle, enigmatic producer and host Ellis Haizlip, created the influential show which was ahead of its time. 'Soul!' was a celebration of black music, politics, literature, dance, and poetry during a tumultuous time for black Americans (1968-1973), featuring countless performances by and interviews with the era’s luminaries like James Baldwin, Stevie Wonder, Gladys Knight, Patti LaBelle, Al Green, Mavis Staples, Harry Belafonte, Roberta Flack, Kool and the Gang, Max Roach, and many more. Watch the trailer below.