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
Beatles for Sale of the group shot at "an outside location towards sunset". Music journalist Lois Wilson describes the result as "the very antithesis of the early-'60s pop star". The cover carried no band logo or artist credit, and the album title was rendered in minuscule type compared with standard LP artwork of the time. "Beatles for Sale" was presented in a gatefold sleeve – a rare design feature for a contemporary pop LP and the first of the Beatles' UK releases to be packaged in this way. Part of the inner gatefold spread showed the band members in front of a photo