Lucy in the Sky with Diamonds"

John Lennon always said that "Lucy in the Sky with Diamonds" was inspired by a painting done by his young son Julian who had, in fact, called it "Lucy in the Sky with Diamonds."

"Come Together"

John Lennon originally wrote "Come Together" as a song for counterculture guru Timothy Leary's failed California gubernatorial campaign against Ronald Reagan.

The song was also the subject of a lawsuit claiming that a lyric in the song was lifted from Chuck Berry's "You Can't Catch Me." The Beatles' lyric was "Here comes ol' flat-top. He come groovin' up slowly." The Chuck Berry lyric was "Here come up flat top. He was groovin' up with me." The Beatles and Berry's publisher settled out of court.

"A Day in the Life"

John Lennon wrote "A Day in the Life", which many music critics consider to be the Beatles' masterpiece, after reading a newspaper obituary for his friend, Guinness heir Tara Browne, who had died in a car accident. Thus, the lyric: "He blew his mind out in a car/ He didn't notice that the lights had changed."

These are just a few trivia facts about the Beatles songs, stay tuned for some more Beatles trivia.