Bach: Music in the Castle of Heaven

Johann Sebastian Bach is one of the most unfathomable composers in the history of music. How can such sublime work have been produced by a man who (when we can discern his personality at all) seems so ordinary, so opaque—and occasionally so intemperate?

John Eliot Gardiner grew up passing one of the only two authentic portraits of Bach every morning and evening on the stairs of his parents’ house, where it hung for safety during World War II. He has been studying and performing Bach e…