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
Rarities (Beatles compilations) as part of "The Beatles Collection" box set. Most of the tracks on the "Beatles Collection" disc titled "Rarities" were already available on American Beatles LPs. As a result, Capitol assembled an album of Beatles tracks that were considered rare in America. They include tracks not previously issued on a Capitol or Apple LP and alternative versions of several well-known songs which were also not readily available in America. A highlight of the album was the gatefold sleeve featuring a reproduction of the original controversial "butcher" cover photo of the 1966 "Yesterday and Today" album. Although the Capitol "Rarities" album