You may have been close to John Lennon or even a reincarnation of him. I would think the former rather than the latter.
The important thing is what did you learn from your prior life that you can use in a positive way in this life? How he influenced you.
In other words, don't dwell on the past, use it as a foundation to continue learning in this lifetime.
We all have had or will someday have a incarnation that was/will be top shelf. I had one as a Nordic Warrior many centuries ago with a great following of men. That lifetime has gave me a warrior's perspective in all future lives.
Oh, and we choose to be female to learn to be dependent and vulnerable depending on others, which we don't do when we are male.