Sgt. Pepper's Lonely Hearts Club Band "Being for the Benefit of Mr. Kite!" and "A Day in the Life". Producer George Martin and engineer Geoff Emerick helped realise the group's ideas by approaching the studio as an instrument, applying orchestral overdubs, sound effects and other methods of tape manipulation. Recording was completed on 21 April 1967. The cover, depicting the Beatles posing in front of a tableau of celebrities and historical figures, was designed by the British pop artists Peter Blake and Jann Haworth. "Sgt. Pepper" is regarded by musicologists as an early concept album that advanced the use of extended form in popular music while
Revolver (Beatles album) Lennon compositions, as marking the start of a process whereby "Revolver" "steadily climbed in public estimation" to become recognised as the Beatles' finest work. In Britain, its supremacy over "Sgt. Pepper" was one of the cultural revisions established by the Britpop phenomenon in the 1990s. Writing on the BBC's website in August 2016, Greg Kot identified the "More popular than Christ" controversy and the attention subsequently afforded the release of "Sgt. Pepper" in 1967 as the two factors that had contributed to "Revolver" being relatively overlooked. Kot concluded that the ensuing decades had seen this impression reversed, since "Revolver" "does