A battling musician realizes he is the only particular person in the world who will remember The Beatles after waking up in an alternate actuality wherever they never existed.
So there is leakage there. Then I mentioned I would do a string quartet. The musicians objected to playing with headphones, so I gave them Paul's voice and guitar on two speakers either side in their microphones. So you can find leakage of Paul's guitar and voice on the string tracks.
Jack is familiar with if he can bear in mind the words to every one of the Beatles songs, he would turn into a renowned rock-star. The only real one particular he can't go here recall may be the "Eleanor Rigby". He reconstructs many of their music from his memory.