Revolver (Beatles album) as the Beatles'. While also highlighting the importance of the production, David Howard writes that "Revolver" was a "genre-transforming album", on which Martin and the Beatles had "obliterated recording studio conventions". Combined with the similarly "visionary" work of American producer Phil Spector, Howard continues, through "Revolver", the recording studio had become "its own instrument; record production had been elevated into art." Whereas "Sgt. Pepper" had long been identified as the Beatles' greatest album, since the 2000s "Revolver" has often surpassed it in lists of the group's best work. Sheffield cites the album's 1987 CD release, with the full complement of
The Beatles' Second Album available backlog of some 25 songs yet to be released by Capitol Records, it was decided to compile a follow-up album as soon as possible. "The Beatles' Second Album" was the first album of the group's work to be assembled by Capitol Records exclusively for the US market—"Meet the Beatles!" was a reconfigured, abridged version of "With the Beatles". "Second Album" was a potpourri collection that did not represent the Beatles' output at the time; the end result was an assembly of material from nearly a half-dozen sessions and sources. Capitol compiled the album using additional songs from four different