Revolver (Beatles album) audio miking and automatic double tracking (ADT), in addition to employing musical instrumentation outside of their standard live set-up. Some of the changes in studio practice introduced by "Revolver", particularly ADT, were soon adopted throughout the recording industry. The sessions also produced a non-album single, "Paperback Writer" backed with "Rain", for which the Beatles filmed their first on-location promotional films. In the UK, "Revolver" fourteen tracks were released to radio stations throughout July 1966. In the US, it was the last Beatles album to be subjected to Capitol's policy of altering the band's intended running order and content. The release
1 (Beatles album) its original full-length version (slightly over seven minutes); on the American version of "20 Greatest Hits" it had been released as a shortened version. Before "1", all 27 songs were available mainly in two remastered CD versions. First on the respective Beatles albums released in 1987 (as well as "Past Masters, Volume One" and "Past Masters, Volume Two", released in 1988). The second remastering was made available on the CD versions for "1962–1966" and "1967–1970" (released in 1993). The songs on "1" were remastered specifically for the release in 2000. According to the liner notes of the album, the original