As a founding member of The Beatles, Paul McCartney’s words and music had an unparalleled impact on the sounds and beliefs of post-1964 popular culture. McCartney’s music – which would encompass 60 gold discs and the sale of some 100 million singles, both with the Beatles, his ‘70s outfit Wings, and as a solo artist, making him the most successful musician and composer in history – combined the raw and joyous sound of the earliest American rockers with an innate knack for beautiful and complex melodies....