This album by the beatles caused a seismic shift in popular music and was instantly recognized as a major leap forward for modern music. it is mistakenly referred to as the first concept album.

Sgt. Pepper's Lonely Hearts Club Band 20

Explanation:

During the weeks immediately after its publication, Sgt. Pepper's caused mixed emotions. In the midst of an invasive advertising campaign, the most hip press greeted its edition as an overwhelming victory and, on the other side of the Atlantic, its followers listened to it with "religious veneration."

For the first time The Beatles gave their audience a special and dazzling effects package.

The album began by putting distance: The Beatles played Sgt. Pepper's Lonely Hearts Club Band and Ringo, as a kind of master of ceremonies, put on Billy Shears' shoes. If with Revolver they had crossed a border - they were no longer a performance band: they were a group of studios -, with Sgt. Pepper's skipped even the music sets.

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