Since dance is a performing art, the survival of any dance work depends either on its being preserved through tradition or on its being written down in some form. Where tradition is continuous and uninterrupted, changes in style and interpretation (inevitable when different dancers perform the same material) may be corrected and the dance preserved in its original form. But when a tradition is broken (if, for instance, the traditions of one culture encroach on those of another), then dances may not only change radically but may even disappear. For this reason methods of recording dance are important in the ...(100 of 23178 words)