How Beatles' Game-Changing 'Paperback Writer' Paved Way for 'Revolver'

In the annals of Beatles singles, we have what we might think of as a game-starter in "Please Please Me," a game-ender in something like "Let It Be," and a host of game-changers, the most important of which is rarely discussed as one of the band's top efforts.How the Beatles' 'Rubber Soul' Invented the Future of Pop
And yet, "Paperback Writer" – "just a little bluesy song," according to its modest/understating author, Paul McCartney – which was cut 50 years ago in mid-April