Check out four unforgettable collaborations that took place during the FireAid benefit concert, including a Stephen Stills-Graham Nash reunion and a duet between Stevie Wonder and Sting.

Cynthia Erivo, Lainey Wilson, and Stevie Wonder delivered an unforgettable tribute to Quincy Jones at the 67th GRAMMY Awards.

Jackson Stevie Wonder Wrote One of Chaka Khan's Signature Hits After She Rejected a Song and Asked 'What Else You Got?' ...