AdvertisementQuestlove's 'Summer of Soul' brings lost music back to lifePlay29:27Download AudioFebruary 01, 2022Sam SandersJinae WestJordana HochmanfacebookEmailSly Stone performs at the Harlem Cultural Festival in 1969, featured in the documentary Summer of Soul. (Courtesy of Searchlight Pictures)
Sly Stone performs at the Harlem Cultural Festival in 1969, featured in the documentary Summer of Soul. (Courtesy of Searchlight Pictures)