Overview: They are the most popular and accomplished musical artists of this century. But for more than three decades, the secrets behind the Beatles' unparalleled artistic evolution were beyond reach--sealed in a locked room at London's Abbey Road Studios. In this comprehensive and brilliantly rendered book the only "outsider" to gain access to these invaluable musical archives provides a new, fascinating look at the music and artistry of the Beatles, revealing how four untrained musicians merged their collective genius into a single creative force, how they came together to paint pictures with sound...and how album by album, the Beatles transformed the landscape of popular music forever.