On a sweltering Sunday evening in August 1965, 56,000 people traveled by plane, car, bus, ferry, and subway train to pack New York's Shea Stadium. They were there not for a ballgame, but a rock and roll concert--the audacious dream of promoter Sid Bernstein. No band had ever played a baseball stadium, and few believed it could be pulled off, but on that glorious night, The Beatles sold out Shea Stadium, shattering all existing box office and attendance...