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

itoggle caption Courtesy of the artists

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

itoggle caption Courtesy of the artist.

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