When the Beatles releasedSgt.

Upon its release 50 years ago in America Sgt.

Peppersset in motion a host of trends that revolutionized the music world.

inside LP

Credit: Apple Corps Ltd.

Read on for five of the most significant.

By contrast, the cohesion ofSgt.

On the two albums that precededSgt.

Peppers, pop stars embraced alternate personas

BeforeSgt.

Peppers, rock stars merely played themselves in their songs.

The Beatles blew up that approach with their 1967 release, presenting themselves instead as the fictitious Sgt.

Peppers Lonely Hearts Club Band.

The result opened fresh points of view in pop, adding new perspectives while deepening meanings.

Pepperstrack, Within You Without You, went much further.

Within You explores the inner life, as well as its connection to a universal spirit.

By that time, other stars had brought raga influences to rock, including the Byrds and Paul Butterfield.

The Beatles intended the piece forSgt.

Peppers, but record company pressure forced them to release it as a single four months earlier.

Still, Strawberry Fields is very much a piece ofPeppersand deserves to be included in its list of achievements.

The song floats on the flute-like mode of the keyboard instrument.

The albums Day-Glo colors had the same trippy effect as the music.