Answer:
Lennon and McCartney collaboration from Sgt. Pepper showed their different points of view in the lyrics called "GETTING BETTER".
Explanation: McCartney is an English songwriter,singer, composer and a musician. Lennon is a musician, songwriter, and a composer, which is well known with it's lyrics.
The music called getting better is one of the tracks in an album owned by the Beatle which is called Sgt Pepper's lonely heart club band, produced in the year 1967. Getting better was a song written by Lennon and McCartney, were both of them showed up a different and exceptional view in their lyrics.