In their native United Kingdom, during 1962–1970, the Beatles released 12 studio albums, 13 extended plays (EPs) and 22 singles, additionally, they released five tracks that are different versions of previously released song, including "Across the Universe", a song written by who?
The Beatles discography:  Additionally, they released five tracks that are different versions of previously released songs: "Love Me Do", "Revolution", "Get Back", "Across the Universe" and "Let It Be"; two tracks in German: "Komm, Gib Mir Deine Hand" and "Sie Liebt Dich"; and two tracks that are duplicates of songs included on previous albums but also included on the album "Yellow Submarine": "Yellow Submarine" and "All You Need Is Love". Across the Universe:  It was written by John Lennon and credited to Lennon–McCartney.
John Lennon