The innovative expansion of music into polyphony forever changed the face of Western music and widened the horizon for composers of the future. Two major schools of free organum have had a lasting legacy which continues to influence music today in overt and hidden ways: the Parisian school at Notre-Dame, the great Gothic cathedral; and the manuscript tradition preserved at the abbey of St. Martial, at Limoges. These traditions date from an era when music was created largely in religious context and preserved in both functional memory and print; the ideas of “composer” and “genius” had