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)
12th June 1965: Beatles singer, songwriter and bass player Paul McCartney arrives back in London with girlfriend, actress Jane Asher, after spending a holiday at the Portuguese fishing village of Albufeira. It was announced this morning that all four Beatles are to be made Members of the Order of the British Empire in the Queen's first 'pop' Honours list. (Photo by Keystone/Getty Images)