A new documentary, featuring rarely-seen footage, captures the magic of a 1969 music festival held at Mount Morris Park in Harlem, attended by 300,000 people. The festival had long been forgotten in the shadow of that other New York music festival, Woodstock. Contributor Hua Hsu talks with “Summer of Soul” director Ahmir “Questlove” Thompson, bandleader… Continue reading "Summer of Soul": Rescuing a historic Harlem music festival