British rock group the Beatles performing their last live public concert on the rooftop of the Apple Organization building for director Michael Lindsey-Hogg's film documentary, 'Let It Be,' on Savile Row, London, UK, 30th January 1969; drummer Ringo Starr sits behind his kit, singer-songwriters Paul McCartney and John Lennon (1940 – 1980) perform at their microphones, and guitarist George Harrison (1943 – 2001) stands behind them. Lennon's wife Yoko Ono sits at right. (Photo by Evening Standard/Hulton Archive/Getty Images)
26th October 1965: Liverpudlian pop group The Beatles with their MBEs at Buckingham Palace in London after their investiture ceremony. (Photo by George Freston/Fox Photos/Getty Images)
JANUARY 27: Recording artists Ringo Starr (L) and Paul McCartney perform onstage during "The Night That Changed America: A GRAMMY Salute To The Beatles" at the Los Angeles Convention Center on January 27, 2014 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)
January 1968: British rock singer, songwriter and guitarist John Lennon (1940 – 1980), of Beatles fame, with his son Julian, at their home in Weybridge. (Photo by Keystone Features/Getty Images)
NEW YORK – AUGUST 1980: Former Beatle John Lennon arrives at the Times Square recording studio 'The Hit Factory' before a recording session of his final album 'Double Fanasy' in August 1980 in New York City, New York. (Photo by Vinnie Zuffante/Getty Images)