Donald Byrd onstage, in an image circulated by his record label at the time, Blue Note Records. Echoes/Redferns/Getty Images hide caption

itoggle caption Echoes/Redferns/Getty Images

Dr. Dre (right) with Snoop Dogg, who played a starring role on Dre's The Chronic. Here they pose after a 1993 performance in Chicago. Raymond Boyd/Getty Images hide caption

itoggle caption Raymond Boyd/Getty Images

Steven Tyler, Jimmy Fallon, Bruce Springsteen and Billy Joel participate in NBCUniversal's Hurricane Sandy: Coming Together Relief Benefit on Friday in New York City. Mary J. Blige, Christina Aguilera, Jon Bon Jovi and Sting also performed. And now we're done talking about that. Heidi Gutman/NBCUniversal/Getty Images hide caption

itoggle caption Heidi Gutman/NBCUniversal/Getty Images