As the greatest rock and roll band of all time, the Beatles rocketed to worldwide fame soon after their 1964 arrival in the United States. Much of their achievement can be attributed to the unique Beatle sound, but it was more than just the music that catapulted them to the summit of success, and kept them there even after the band ceased touring and broke apart. How the Beatles both failed and triumphed as businessmen and the lessons today's entrepreneurs...