How did Western polophony develop during its earliest stages of evolution, and what were the characteristics of the most important polyphonic genres of the ninth through thirteenth centuries

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1. How did Western polophony develop during its earliest stages of evolution, and what were the characteristics of the most important polyphonic genres of the ninth through thirteenth centuries?

Western polyphony finds its roots in two early compositional styles: organum and conductus. These two genres began through a process of expanding on existing compositions. This process of adding to existing chants was labeled as troping. As this "troping" continued composers embellished chant melodies by adding text, mellismas and eventually by adding additional voices and parts.

In the early examples of organum purum the lower voice, or tenor, holds long sustained notes against a more florid moving upper voice. When two voices sang constant intervals note against note, this was called the discant style. The highest amount of organum compositions came from the Cathedral of Paris, Notre Dame. Leonin compiled a large cycle of organum called the Magnus liber organi (The Great Book of Organum) In the conductus two or more voices sing the same text in essentially the same rhythm. The most striking characteristic of the conductus was that the tenor was newly composed and not based on a chant melody. The main technical advancements of these years were the defining of the modal rhythmic system and teh invention of a new kind of notation for measured rhythm, which allowed composers more control over performance practice. This early form of polyphonic composition contiuned well into the late 13th Cent. and developed into what became known as the motet.

2. In an essay of three short paragraphs, discuss what was "new" about music in 14th century France (Ars Nova) and Italy (Trecento), and early 15th century England. (top) 

Many changes in musical composition took place during the fourteenth-century and into the early fifteenth-century. Many of the changes were brought about because of a new interest in secular music as well as sacred. Contrasting to the music of thirteenth-century, where music was more stable, structured, and unified, the fourteenth-century brought much change, ingenuity and musical invention. The growth of cities and political structures throughout Europe brought increased power to the middle class and the decline of aristocracy. With the political changes that were occurring the arts were also becoming more prevalent and widely popular. Literature, education, and the arts moved away from confining religious structure to a more humanistic world view. This was a gradual change that occurred over many years, but it unmistakably helped to shape the musical discoveries of the entire fourteenth-century.

Composers of the fourteenth-century experienced a great deal of rhythmic freedom with the acceptance of duple rhythmic patters developed by Philippe de Vitry. Harmonic structure was also undergoing change as passages of thirds and sixths began to emerge. Previously, most intervals were perfect fourths, fifths and octaves The Pythagorean intervals. Musica ficta helped to make cadential points more interesting and melodic lines were more flexible and expansive. The vocal range of compositions also began to move upward. In France, the motet was the primary compositional genre and developed into a less liturgical and more secular idiom. Some of the new genres to emerge during this era were the caccia, madrigal, rondeau, and ballata.. Isorhythm and songs with refrains also gained popularity through compositional practice. The music of Italy was labeled as Trecento polyphony. French music of the first half of the fourteenth century was labeled as Ars Nova.

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By the early fifteenth-century Italy and France had begun to develop distinct musical styles. As we move into the fifteenth-century we continue to move towards an international style of musical development. The primary collection of early fifteenth-century English compositions is in the Old Hall manuscript. John Dunstable was the most important English composer during the early part of this new century. He is also is responsible for bringing the English style of composition to France. Most important of Dunstable’s compositions are his three part sacred songs. These were setting of antiphons, hymns, and other liturgical biblical texts. The carol, originally ...

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