Starts Thursday, July 1! In 1969, during the same summer as Woodstock, more than 300,000 people attended the Harlem Cultural Festival, a six-week celebration of Black history, culture, and music, featuring performances by Stevie Wonder, Sly and the Family Stone, Nina Simone, B.B. King, Mahalia Jackson, and many more. Drawing on a trove of long-buried footage, this joyful concert documentary from musician/Philly legend Ahmir “Questlove” Thompson shines a light on a seminal moment for Black life i