Freddie Mercury performs in 1980. Steve Jennings/Wire Image hide caption
Courtesy of Mountain Apple Company
Michael Ochs Archives/Getty Images
Lauryn Hill performs in January in Sydney, Australia. Brendon Thorne/Getty Images hide caption
Donny Hathaway. Michael Ochs Archives/Getty Images hide caption
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Janis Joplin Tucker Ransom/Hulton Archive/Getty Images hide caption
Icelandic singer Bjork is as famous for her eccentric outfits as she is for her transcendent voice. Bernhard Kristin/ILC hide caption
Ella Fitzgerald had not one sad edge to her voice. She always had listeners smiling by the second note. George Konig/Hulton Archive hide caption
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