Yoko Ono. The only thing good about it is that it lasts only 44 seconds. YouTuber comment: "Sounds like a cat, with its nuts trapped in a vice."
Warzone is less awful, but still crap.
Paul McCartney's comment: Get back, Jojo (Yoko), get back to where you once belonged. Go home. Wikipedia:
In an interview in Playboy magazine in 1980, Lennon described "Get Back" as "... a better version of 'Lady Madonna'. You know, a potboiler rewrite." Lennon also said that "there's some underlying thing about Yoko in there", saying that McCartney looked at Yoko Ono in the studio every time he sang "Get back to where you once belonged."