AdvertisementA new Lennon-McCartney collab has dropped — but this time, it's by the Beatles' sonsApril 17, 2024Neda UlabyfacebookEmailLast week, James McCartney (left), the son of Beatle Paul McCartney, released a new song called "Primrose Hill" that he co-wrote with Sean Ono Lennon, the son of John Lennon. (Pascal Le Segretain/Getty Images; Lionel Hahn/Getty Images)