Did You Know? That'll Be The Day was written after Buddy Holly watched The Searchers a western in which John Wayne repeatedly says the phrase 'That'll Be The Day'.

Did You Know? Zombie was written about the IRA terrorist bombing in Warrington, England in 1993 that killed two children. To encourage peace and for the IRA to stop. For many people it become the sound track to an era of real change in Ireland and a few weeks after the release of the song the IRA declared a ceasefire.

Did You Know? Somebody To Love was written by Darby Slick brother of Jefferson Airplane singer Grace Slick who was never in the band... it was originally called 'Mind Full Of Bread!'

Did You Know? For What It's Worth was named by accident. Stephen Stills took the song to the band's record label executive and said 'I have this songs here, for what it's worth, if you want it'. And the executive recorded the song as being called For What It's Worth.

Did You Know? Twist And Shout was recorded in only one take. They did try to record a second take but John Lennon put so much into his vocal performance on the first one that his voice had completely gone.

Did You Know? The singing was recorded so low that nobody really knows exactly what the words are. They are so unclear that the FBI launched an investigation after a father reported them to be obscene.