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
Sgt. Pepper's Lonely Hearts Club Band were requested by Lennon, but ultimately rejected. The actor Leo Gorcey's image was painted out after he requested a fee. When McCartney was asked why the Beatles did not include Elvis Presley among the musical artists, he replied: "Elvis was too important and too far above the rest even to mention ... he was more than merely a ... pop singer, he was Elvis the King." The final cost for the cover art was nearly £3,000 (), an extravagant sum for a time when album covers would typically cost around £50 (). "Sgt. Pepper" was previewed on the pirate radio