For Paul McCartney, this is personal archaeology; for everyone else, it's a rediscovery of something half-forgotten, music ...

The three Beatles songs below are read one way at face value and take on an entirely different slant once you know their backstory.

Young people coming of age in the Fab Four’s shadow rolled their eyes at the band’s boomer bona fides. The “Anthology,” now back after 30 years, changed all that.