AUTHORSHIP Lennon (.25), McCartney (.25), Harrison (.25), and Starr (.25)
The final recording began as a jam on Bob Dylan's "Like A Rolling Stone."
Rehearsed with the tapes rolling January 24, 1969, at Apple Studios, then remade January 26
HARRISON: lead guitar
BILLY PRESTON: organ
The litany of celebrated personalities and institutions in the song was improvised by Lennon in the studio, as was the musical backing.
Among those named by Lennon were: Matt Busby (Manchester United soccer club manager), bluesman B. B. King, and actress Doris Day. Also included were various acronyms - the FBI, CIA, BBC.