John Lennon poses for a photo with his wife Yoko Ono and son Sean Lennon in 1977 in New York City, New York / UNITED KINGDOM – SEPTEMBER 01: RAINBOW THEATRE Photo of Harry CHAPIN, performing live onstage (Photo by Vinnie Zuffante/Getty Images; Photo by Keith Bernstein/Redferns)
CIRCA 1965: Rock and roll band "The Beatles" pose for a portrait in circa 1965. (L-R) Ringo Starr, Paul McCartney, John Lennon, George Harrison. (Photo by Michael Ochs Archives/Getty Images)
Singer and songwriterJohn Lennon (1940 – 1980) with his wife Yoko Ono, signing copies of her conceptual art book 'Grapefruit' at Selfridges, London, 15th July 1971. (Photo by Jack Kay/Daily Express/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)
NEW YORK CITY – MARCH 1: Former Beatle John Lennon and a pregnant Yoko Ono attend the 17th Annual Grammy Awards on March 1, 1975 at the Uris Theater in New York City, New York. (Photo by Vinnie Zuffante/Getty Images)