Tune InBy: Mark Lewisohn Now in paperback, Tune In is the New York Times bestseller by the worlds leading Beatles authority the first volume in a groundbreaking trilogy about the band that revolutionized music. The Beatles have been in our lives for half a century and surely always will be. Still, somehow, their music excites, their influence resonates, their fame sustains. New generations find and love them, and while many other great artists come and go,