The BBC banned all of these songs for alleged drug references.

Sgt. Pepper was the first major pop/rock LP to include its complete lyrics, which appeared on the back cover.

In early 1965, while they were his guests for dinner, Lennon and Harrison's dentist secretly added LSD to their coffee. Lennon described the experience: "It was just terrifying, but it was fantastic. I was pretty stunned for a month or two."

Composed by McCartney, "Yesterday" would inspire the most recorded cover versions of any song ever written.

On 28 August 1964, Bob Dylan was introduced to the Beatles by a mutual friend, the writer Al Aronowitz, at New York's Delmonico Hotel. Upon arriving at the Beatles' suite, Dylan suggested they have a smoke. The Beatles spent the next few hours in astounded hilarity, while Dylan looked on with amusement.

Her name was Magill and she called herself Lil
But everyone knew her as Nancy

While touring in Paris, Paul McCartney tumbled out of bed one morning and found the tune to "Yesterday" in his head. At first, he thought he must have heard it somewhere before. He used the working title "Scrambled Eggs" until he could figure out the lyrics.

"Till There Was You" was written in 1957 for the Broadway musical The Music Man by songwriter Meredith Willson. Paul McCartney loved show tunes and wanted to cover it.

Paul McCartney actually wrote "Got to Get You Into My Life" as an ode to Marijuana. He says, "I kind of liked marijuana and to me it seemed it was mind-expanding, literally mind-expanding. So 'Got To Get You Into My Life' is really a song about that. It's not to a person, it's actually about pot."

Paul's full name is James Paul McCartney.