Sade's "The Big Unknown" will appear on Widows — the movie and soundtrack come out Nov. 16. Ethan Miller/Getty Images hide caption
Sade Sade artist page: interviews, features and/or performances archived at NPR Music
Sade performs at the MGM Grand Garden Arena September 3, 2011 in Las Vegas, Nevada. Ethan Miller/Getty Images hide caption
Nina Simone in the recording studio in approximately 1967. Gilles Petard/Redferns/Getty Images hide caption
Sade. Courtesy of the artist hide caption