The gibberish between "I'm So Tired" and "Blackbird" reveals the message "Paul is dead man, miss him, miss him".
"You were in a car crash, and you lost your hair"-lyrics from "Don't Pass me By".
There are the sounds of a horrible car crash in "Revolution 9".
In "Glass Onion", John tells us, "Here's another clue for you all, the Walrus was Paul". This reinforces the idea of Paul as the Walrus (a symbol of death) from "Magical Mystery Tour" .
Been away so long I hardly knew the place,
Gee it's good to be back HOME