On February 16 1969, John McLaughlin flew into New York, from London, in a snowstorm. The following day, Miles Davis, his hero, invited him to play on a record. Two years later, on the path of Bengali mystic Sri Chinmoy, John launched The Mahavishnu Orchestra--an evocation in music of spiritual aspiration and extraordinary power, volume and complexity. Curiously, it was also a huge success. John McLaughlin brought rock music to its pinnacle, the end...