Questlove, who helmed Sly Lives! (aka the Burden of Black Genius), has paid tribute to the documentary’s subject, Sly Stone, hours after the iconic artist died on Monday. Stone died after a “prolonged battle with COPD and other underlying health issues,” his family shared on Monday. He was 82.

The music industry is mourning Sly Stone. After news broke that the groundbreaking musician had died at 82 on Monday, stars from Questlove and Chuck D to Clairo and Fatboy Slim shared tributes for the star.

The boundary-breaking, fashion-forward leader of Sly & the Family Stone, who has died at age 82, made an indelible impact on music through his soulful, socially conscious records of the 1960s and ’70s.