Sir Paul, one of the two surviving members of the Beatles, said: "You get young guys, girls, coming up, and they write a beautiful song, and they don't own it, and they don't have anything to do with it. And anyone who wants can just rip it off."
"The truth is, the money's going somewhere… Somebody's getting paid, so why shouldn't it be the guy who sat down and wrote Yesterday?"
The government is currently consulting on proposals that would allow AI companies to use material that is available online without respecting copyright if they are using it for text or data mining.