Prolation

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A 16th-century manuscript of a Kyrie by Jacques Barbireau, written using mensural notation Barbireau illum.jpg
A 16th-century manuscript of a Kyrie by Jacques Barbireau, written using mensural notation

In mensural notation, prolation (Latin : prolatio) is used to describe the rhythmic structure of medieval and Renaissance music. The term is used to the division of the semibreve, and corresponds roughly to the concept of time signature in modern music. Time (Latin : tempus) is used in mensural notation to describe larger scale rhythmic structures.

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The division of semibreves by three into minims is called prolatio maior; binary division is called prolatio minor. The symbols used to denote the prolation and tempus were Tempus perf prol mai.svg , Tempus perf prol min.svg , Tempus impf prol mai.svg , and Tempus impf prol min.svg .

Description

In mensural notation, prolation (also called prolatio) [1] describes the rhythmic structure of medieval and Renaissance music on a small scale. The term is derived from the Medieval Latin word prolatio (meaning "bearing" or "manner"), [2] first used by the medieval French composer Philippe de Vitry in describing Ars Nova , a musical style that arose in 14th-century France. [3]

Prolation corresponds roughly to the concept of time signature in modern music. Prolation describes whether a semibreve is equal in length to two minims (minor prolation or imperfect prolation; in Latin prolatio minor) or, like a tuplet, three minims (major prolation or perfect prolation; in Latin prolatio maior).[ citation needed ]

Early medieval music was often structured in subdivisions of three, while the note values in modern music are most often subdivided into two parts, 4/4 being the most common time signature, meaning that minor prolation has primarily survived in our time signature system, while major prolation has been replaced by notation modifying note values with dots or triplets. The history of written medieval music shows a gradual shift from major to minor prolation being common.[ citation needed ]

Tempus and divisio

Whereas the term prolation is used to describe the rhythmic structure on a small scale, tempus (or 'time') describes the division of the breve, which is on a larger scale. [4] As with prolation, tempus also corresponds roughly to the modern concept of time signature, and describes the relationship between the breve and semibreve.[ citation needed ]

The equivalent term in the Italian notation of the 14th century is divisio, which covers both tempus and prolation. Italian divisiones, first described by the medieval composer and theorist Marchetto da Padova, can also allow four minims within a semibreve. For instance, octonaria and duodenaria place eight and twelve minims in a breve respectively, divided into two or three 'major' semibreves.[ clarification needed ]

Mensuration
TempusProlationSignSemibrevesMinimsModern equivalent
perfectummaior Tempus perf prol mai.svg Three semibreves.svg 3x3 minims.svg 9
8
perfectumminor Tempus perf prol min.svg Three semibreves.svg 3x2 minims.svg 3
4
imperfectummaior Tempus impf prol mai.svg Two semibreves.svg 2x3 minims.svg 6
8
imperfectumminor Tempus impf prol min.svg Two semibreves.svg 2x2 minims.svg 2
4

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References

  1. "Prolation (noun)". Merriam-Webster Dictionary. Merriam-Webster Inc. Retrieved 15 November 2024.
  2. Pryer, Anthony (January 2011). Prolation . Oxford University Press. ISBN   978-0-19-957903-7 . Retrieved 15 November 2024.{{cite book}}: |website= ignored (help)
  3. Hughes 1960, p. 2.
  4. Hanning, Barbara Russano. "Chapter 4: Outline". W.W. Norton and Company. Retrieved 15 November 2024.

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Further reading