Isn't your soul enough for Satan anymore? Now he expects you to backwards-mask your music too?
I know John was obsessed with the number 9. He was born on 9/9, Yoko was also born on a 9, and he was convinced the number popped up at crucial times all through his life. 'Number 9 Dream' had something to do with that. Ah bawaka-wah po-say po-say
... I love that song.