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 In 2003, it was one of 50 recordings chosen by the Library of Congress to be added to the National Recording Registry, honouring the work as "culturally, historically, or aesthetically significant". In 2003, "Rolling Stone" placed "Sgt. Pepper" at number one in the magazine's list of the "500 Greatest Albums of All Time", describing it as "the pinnacle of the Beatles' eight years as recording artists". The editors also said it was "the most important rock and roll album ever made", a point to which June Skinner Sawyers adds, in her 2006 collection of essays "Read the Beatles": "["Sgt. Pepper"]