Stevie Wonder, Mahalia Jackson, Mavis Staples and others shine in a documentary about the Harlem Cultural Festival from Questlove.Stevie Wonder, Mahalia Jackson, Mavis Staples and others shine in a documentary about the Harlem Cultural Festival from Questlove.Read MoreDocumentary Films and Programs, Black People, Music, Staple Singers, Hawkins, Edwin, Staples, Mavis, Thompson, Ahmir (Questlove), Harlem (Manhattan, NY), Summer of Soul (… Or, When the Revolution Could Not Be Televised) (Movie), mahalia jackson
