Revolver (Beatles album) group collective since 1962, and gave them an unprecedented amount of time to prepare for a new album. Writing in "The Beatles Forever", Nicholas Schaffner cites 1966 as the start of the band's "'psychedelic' period" and adds: "That adjective implies not only the influence of certain mind-altering chemicals, but also the freewheeling spectrum of wide-ranging colors that their new music seemed to evoke." Music journalist Carol Clerk describes "Revolver" as having been "decisively informed by acid", following John Lennon and George Harrison's continued experimentation with the drug LSD since the spring of 1965.<ref name="Clerk/Uncut"> Available at Rock's Backpages (subscription required).</ref>
The Beatles (album) avant-garde "Revolution 9". "The Beatles" was issued on 22 November 1968 in Britain, with a US release following three days later. The album's working title, "A Doll's House", had been changed when the English progressive rock band Family released the similarly titled "Music in a Doll's House" earlier that year. Schaffner wrote in 1977 of the name that was adopted for the Beatles' double album: "From the day of release, everybody referred to "The Beatles" as 'the White Album.'" "The Beatles" was the third album to be released by Apple Records, following Harrison's "Wonderwall Music", and Lennon’s "Two Virgins". Martin