Sgt. Pepper’s Lonely Hearts Club Band (often shortened to Sgt. Pepper) is the
eighth studio album by  The Beatles, released on 1 June 1967 on the Parlophone
label and produced by George Martin. The album is widely regarded as one of the greatest of all time, and has since been recognized as one of the most important
albums in the history of popular music, including songs such as "Lucy in the Sky
with Diamonds" and "A Day in the Life". It was recorded over a 129-day period
beginning in December 1966.