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) with Starr to reconsider. He duly returned on 5 September to find his drum kit decorated with flowers, a welcome-back gesture from Harrison. McCartney described the sessions for "The Beatles" as a turning point for the group, saying "there was a lot of friction during that album. We were just about to break up, and that was tense in itself", while Lennon later said "the break-up of the Beatles can be heard on that album". Of the album's 30 tracks, only 16 have all four band members performing. "The Beatles" contains a wide range of musical styles, which the authors