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CIRCA 1950: Entertainer Nat "King" Cole poses for a portrait in circa 1950. (Photo by Michael Ochs Archives/Getty Images)

CIRCA 1950: Entertainer Nat "King" Cole poses for a portrait in circa 1950. (Photo by Michael Ochs Archives/Getty Images)

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circa 1953: Studio headshot of American actor and singer Rosemary Clooney (1928 - 2002) smiling, wearing a dress with a slightly off-the-shoulder thick band that curves around her back. (Photo by Hulton Archive/Getty Images)

circa 1953:  Studio headshot of American actor and singer Rosemary Clooney (1928 - 2002) smiling, wearing a dress with a slightly off-the-shoulder thick band that curves around her back.  (Photo by Hulton Archive/Getty Images)

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MEMPHIS - 1955: Country singer/songwriter Johnny Cash poses for a portrait in 1955 in Memphis, Tennessee. (Photo by Michael Ochs Archives/Getty Images)

MEMPHIS - 1955:  Country singer/songwriter Johnny Cash poses for a portrait in 1955 in Memphis, Tennessee. (Photo by Michael Ochs Archives/Getty Images)

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Billie Holiday poses for a studio portrait in 1950 in the United States. (Photo by Gilles Petard/Redferns)

Billie Holiday poses for a studio portrait in 1950 in the United States. (Photo by Gilles Petard/Redferns)

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1955, A portrait of the American Entertainer Dinah Shore (Photo by Haynes Archive/Popperfoto via Getty Images/Getty Images)

1955, A portrait of the American Entertainer Dinah Shore  (Photo by Haynes Archive/Popperfoto via Getty Images/Getty Images)