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 (album) is what The Beatles are on about. Created by, creating for, their age."<ref name="MacDonald/WhiteRiot"></ref> Although he dismissed "Revolution 9" as a "pretentious" example of "idiot immaturity", the "NME"s Alan Smith declared "God Bless You, Beatles!" to the majority of the album. Jann Wenner of "Rolling Stone" called it "the history and synthesis of Western music", and the group's best album yet. Wenner contended that they were allowed to appropriate other styles and traditions into rock music because their ability and identity were "so strong that they make it uniquely theirs, and uniquely the Beatles. They are so good that they