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
The Beatles (album) the Byrds. Edwin Faust of "Stylus Magazine" described "The Beatles" as "foremost an album about musical purity (as the album cover and title suggest). Whereas on prior Beatles albums, the band was getting into the habit of mixing several musical genres into a single song, on "The White Album" every song is faithful to its selected genre. The rock n' roll tracks are purely rock n' roll; the folk songs are purely folk; the surreal pop numbers are purely surreal pop; and the experimental piece is purely experimental." The only western instrument available to the group during their Indian visit