Ars antiqua
Encyclopedia
Ars antiqua, also called ars veterum or ars vetus, refers to the music of Europe
Europe
Europe is, by convention, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally 'divided' from Asia to its east by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways connecting...

 of the late Middle Ages
Middle Ages
The Middle Ages is a periodization of European history from the 5th century to the 15th century. The Middle Ages follows the fall of the Western Roman Empire in 476 and precedes the Early Modern Era. It is the middle period of a three-period division of Western history: Classic, Medieval and Modern...

 between approximately 1170 and 1310, covering the period of the Notre Dame school
Notre Dame school
The group of composers working at or near the Notre Dame Cathedral in Paris from about 1160 to 1250, along with the music they produced, is referred to as the Notre Dame school, or the Notre Dame School of Polyphony....

 of polyphony
Polyphony
In music, polyphony is a texture consisting of two or more independent melodic voices, as opposed to music with just one voice or music with one dominant melodic voice accompanied by chords ....

 and the subsequent years which saw the early development of the motet
Motet
In classical music, motet is a word that is applied to a number of highly varied choral musical compositions.-Etymology:The name comes either from the Latin movere, or a Latinized version of Old French mot, "word" or "verbal utterance." The Medieval Latin for "motet" is motectum, and the Italian...

. Usually the term is restricted to sacred music, excluding the secular song of the troubadour
Troubadour
A troubadour was a composer and performer of Old Occitan lyric poetry during the High Middle Ages . Since the word "troubadour" is etymologically masculine, a female troubadour is usually called a trobairitz....

s and trouvères
Trouvère
Trouvère , sometimes spelled trouveur , is the Northern French form of the word trobador . It refers to poet-composers who were roughly contemporary with and influenced by the troubadours but who composed their works in the northern dialects of France...

; however sometimes the term is used more loosely to mean all European music of the thirteenth century and slightly before. The term ars antiqua is used in opposition to ars nova
Ars nova
Ars nova refers to a musical style which flourished in France and the Burgundian Low Countries in the Late Middle Ages: more particularly, in the period between the preparation of the Roman de Fauvel and the death of the composer Guillaume de Machaut in 1377...

, which refers to the period of musical activity between approximately 1310 and 1375.

Almost all composers of the ars antiqua are anonymous. Léonin
Léonin
Léonin is the first known significant composer of polyphonic organum. He was probably French, probably lived and worked in Paris at the Notre Dame Cathedral and was the earliest member of the Notre Dame school of polyphony and the ars antiqua style who is known by name...

 (fl. late 12th century) and Pérotin
Pérotin
Pérotin , also called Perotin the Great, was a European composer, believed to be French, who lived around the end of the 12th and beginning of the 13th century. He was the most famous member of the Notre Dame school of polyphony and the ars antiqua style...

 (fl. c.1180 – c.1220) were the two composers known by name from the Notre Dame school; in the subsequent period, Petrus de Cruce
Petrus de Cruce
Petrus de Cruce was active as a cleric, composer and theorist in the late part of the 13th century. His main contribution was to the notational system.-Life:...

, a composer of motets, is one of the few whose name has been preserved.

In music theory
Music theory
Music theory is the study of how music works. It examines the language and notation of music. It seeks to identify patterns and structures in composers' techniques across or within genres, styles, or historical periods...

 the ars antiqua period saw several advances over previous practice, most of them in conception and notation of rhythm. The most famous music theorist of the first half of the 13th century, Johannes de Garlandia
Johannes de Garlandia (music theorist)
Johannes de Garlandia was a French music theorist of the late ars antiqua period of medieval music...

, was the author of the De mensurabili musica (about 1240), the treatise which defined and most completely elucidated the rhythmic mode
Rhythmic mode
In medieval music, the rhythmic modes were set patterns of long and short durations . The value of each note is not determined by the form of the written note , but rather by its position within a group of notes written as a single figure called a "ligature", and by the position of the ligature...

s. A German theorist of a slightly later period, Franco of Cologne
Franco of Cologne
Franco of Cologne was a German music theorist and possibly composer. He was one of the most influential theorists of the late Medieval era, and was the first to propose an idea which was to transform musical notation permanently: that the duration of any note should be determined by its...

, was the first to describe a system of notation in which differently shaped notes have entirely different rhythmic values (in the Ars Cantus Mensurabilis of approximately 1260), an innovation which had a massive impact on the subsequent history of European music. Most of the surviving notated music of the 13th century uses the rhythmic modes as defined by Garlandia.

The ars antiqua is sometimes divided into two rough periods, known as the early Gothic
Gothic art
Gothic art was a Medieval art movement that developed in France out of Romanesque art in the mid-12th century, led by the concurrent development of Gothic architecture. It spread to all of Western Europe, but took over art more completely north of the Alps, never quite effacing more classical...

 and the high Gothic. The early Gothic includes the French music composed in the Notre Dame school up until about 1260, and the high Gothic all the music between then and about 1310 or 1320, the conventional beginning of the ars nova. The forms of organum
Organum
Organum is, in general, a plainchant melody with at least one added voice to enhance the harmony, developed in the Middle Ages. Depending on the mode and form of the chant, a supporting bass line may be sung on the same text, the melody may be followed in parallel motion , or a combination of...

 and conductus
Conductus
In medieval music, conductus is a type of sacred, but non-liturgical vocal composition for one or more voices. The word derives from Latin conducere , and the conductus was most likely sung while the lectionary was carried from its place of safekeeping to the place from which it was to be read...

 reached their peak development in the early Gothic, and began to decline in the high Gothic, being replaced by the motet
Motet
In classical music, motet is a word that is applied to a number of highly varied choral musical compositions.-Etymology:The name comes either from the Latin movere, or a Latinized version of Old French mot, "word" or "verbal utterance." The Medieval Latin for "motet" is motectum, and the Italian...

.

Though the style of the ars antiqua went out of fashion rather suddenly in the first two decades of the fourteenth century, it had a late defender in Jacques of Liège (alternatively Jacob of Liège
Jacob of Liège
Jacob of Liège, aka Jacobus Leodiensis or Jacques de Liège, is believed to have written the Speculum Musicae, The Mirror of Music, during the second quarter of the 14th century....

), who wrote a violent attack on the "irreverent and corrupt" ars nova in his Speculum Musicae (c.1320), vigorously defending the old style in a manner suggestive of any number of music critics from the Middle Ages to the present day. To Jacques, the ars antiqua was the musica modesta, and the ars nova was a musica lasciva—a kind of music which he considered to be indulgent, capricious, immodest, and sensual (Anderson and Roesner, 2001).
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