John Lennon and Paul McCartney changed the world with the 162 songs they wrote for the Beatles, but few demonstrate the creative and emotional complexities of their relationship quite like ...

His new book, “John & Paul: A Love Story in Songs,” is, astonishingly, one of the few to offer a detailed narrative of John Lennon and Paul McCartney’s partnership. And it’s a revelation.

Lennon usually limited his psychedelic explorations to after work hours, preferring not to trip while the Beatles were working on new music. But that changed on the evening of March 21st, 1967.