As much as I love the Beatles, I have always been disappointed in the solo material that they recorded. John's "Plastic Ono Band" and Paul's "Band on the run" were very good but never reached the level that they achieved together. I believe that the combination of John and Paul together is what made them so damn great. They pushed each other and their conflicting musical styles and personalities were a perfect mix. It must be very hard to know that no matter what you do for the rest of your life, it will always be compared to the accomplishments that you made before you were 30 years old. That may not be fair, but it is certainly true.