thank you :-) Nancy
That song is very interesting. It's a mash up of an unfinished John song (verses 1,2,3 and 5) and an unfinished Paul song (the 4th verse). The famous crescendo at the end--that's every instrument in the London Symphony Orchestra playing it's full scale starting the the lowest octave/pitch instruments and proceeding to the highest
Have you seen the documentary Get Back? One of the best features is watching their creative process--the disharmony was not great but there was also so much harmony, friendship, and love.