Shifting Gears is an album by Nancy Sinatra, released on December 3, 2013 exclusively in digital format through Sinatra's own Boots Enterprises label. The album is a collection of previously unissued recordings from her vaults featuring her renditions of "big" ballads with sources from Broadway of the 1920s to pop hits of the 1970s. Sinatra has said that she sequenced the songs to tell the story of a love affair.