An excellent, well-researched delve into the mysterious evening when John Lennon and Paul McCartney entered a studio together for the first and only time five years after The Beatles had come to an acrimonious end.

It had been nearly five years since Lennon and McCartney appeared in a recording studio together. The last time around, they were at Abbey Road Studios in London with Harrison and Starr, working on the Abbey Road track “I Want You (She’s So Heavy).” Given all that had transpired since then, those five years might have felt like 25.