Marian McPartland. Courtesy of the artist hide caption

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Frank Sinatra captured by photographer William "PoPsie" Randolph during a 1943 concert. Author Ben Yagoda points to Sinatra as one of the interpreters who helped revive the Great American Songbook. William "PoPsie" Randolph/Courtesy of Riverhead hide caption

itoggle caption William "PoPsie" Randolph/Courtesy of Riverhead

Tony Bennett and Lady Gaga's collaborative album is called Cheek To Cheek. Courtesy of the artist hide caption

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Tony Bennett. Jo Hale/Getty Images Entertainment hide caption

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Tony Bennett and Amy Winehouse. Courtesy of the artist hide caption

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Michael Katzif/NPR

Clockwise from upper left: Exitmusic, Milagres, Harold Budd. Courtesy of the artists hide caption

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Tony Bennett and Lady Gaga perform "The Lady Is a Tramp" together on Bennett's new album, Duets II, out Sept. 20. Courtesy of the artist. hide caption

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At his painting studio in Manhattan, Tony Bennett says his favorite summer song is "It Was Me." Ben Calhoun hide caption

itoggle caption Ben Calhoun