In his acclaimed debut as a filmmaker, Ahmir “Questlove” Thompson presents a powerful and transporting documentary—part music film, part historical record created around an epic event that celebrated Black history, culture and fashion. The feature includes never-before-seen concert performances by Stevie Wonder, Nina Simone, Sly & the Family Stone, Gladys Knight & the Pips, Mahalia Jackson, B.B. King, The 5th Dimension and more.