Music: Facsimile Organ

Greatest composer of organ music who ever lived was portly, quick-fingered 18th-Century Johann Sebastian Bach. His 30-odd organ fugues and numerous choral preludes and sonatas are still regarded as the organist's Bible. But if Bach walked into a present-day church while his music was being played, he would hardly recognize it.

Since Bach's time the organ has grown out of all knowledge. Modern organs, used in cinema palaces as well as in churches, can reproduce the sound of an entire orchestra, can imitate anything from a train whistle to cathedral chimes. By...