John Lennon called this "a good sounding record that means nothing." Musically, it has some interesting nuances. The middle part contains an interesting example of Lennon's polyphonic technique: The piano in the background does not follow the singer. Near the end of the song, Lennon talks while accompanied by the music, which could be considered a forerunner to Rap. In the climax, Lennon starts shouting, and the others follow. They scream like mad while the guitar in the background plays the same notes again and again, as if nothing has happened.
Johan Cavalli, a music historian in Stockholm