Run-D.M.C. backstage at the Grammy Awards in March 1987. The hip-hop group's 1986 album Raising Hell is one of 25 new inductees to the Library of Congress Recording Registry. Hulton Archive/Getty Images hide caption

Tony Bennett. Jo Hale/Getty Images Entertainment hide caption

Tony Bennett and Bill Charlap's new album, The Silver Lining: The Songs of Jerome Kern, is out now. Courtesy of the artist hide caption

Marian McPartland. Courtesy of the artist hide caption

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

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

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

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

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

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