Singer-songwriter Bob Dylan appears on the cover of the October 2012 issue of Rolling Stone, promoting his new album, "Tempest," released this week. The magazine hits newsstands Friday. (AP Photo/Wenner Media LLC)

Photo by: Uncredited

Singer-songwriter Bob Dylan appears on the cover of the October 2012 issue of Rolling Stone, promoting his new album, "Tempest," released this week. The magazine hits newsstands Friday. (AP Photo/Wenner Media LLC)