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Prolation canon. In music, a prolation canon (also called a mensuration canon or proportional canon) is a type of canon, a musical composition wherein the main melody is accompanied by one or more imitations of that melody in other voices. Not only do the voices sing or play the same melody, they do so at different speeds (or prolations, a ...
Example of a canon in three voices at the unison sung with a text of a German poem, four beats apart. In music, a canon is a contrapuntal (counterpoint -based) compositional technique that employs a melody with one or more imitations of the melody played after a given duration (e.g., quarter rest, one measure, etc.).
Missa prolationum. The Missa prolationum is a musical setting of the Ordinary of the Mass by Johannes Ockeghem, dating from the second half of the 15th century. Based on freely written material probably composed by Ockeghem himself, and consisting entirely of mensuration canons, [1] it has been called "perhaps the most extraordinary ...
In a mensuration canon, each voice sings the same notes, but the length of time each note is sung differs. The opening Kyrie of Josquin's mass contains consecutive mensuration canons based on each phrase of the L'homme armé tune, with the tenor leading each and the other voices entering in turn. [ 7 ]
Musical Time: Mensuration & Prolation from Belle Voce Chicago (YouTube video) Mensuration - an introduction by Alain Naigeon; GB-Ob MS. Canon. Misc. 213 from DIAMM; the top of p.135 illustrates the symbol used to denote the prolation and tempus of O dolce conpagno se tu voy cantare by the Italian dancing master Domenico da Ferrara
Mensural notation is the musical notation system used for polyphonic European vocal music from the late 13th century until the early 17th century. The term "mensural" refers to the ability of this system to describe precisely measured rhythmic durations in terms of numerical proportions amongst note values. Its modern name is derived from the ...
Instead of being based on a fixed cantus firmus, each movement is a mensuration canon, with the interval of imitation expanding from the unison to the octave during the course of the mass (Leeman Perkins called this "the most extraordinary contrapuntal achievement of the 15th century", and compared it in scope and execution with the Goldberg ...
The canon is also restricted to the highest voice, and the pitch interval between the voices is fixed while the temporal interval varies between one and three breves depending on the mensuration. The two free voices generally do not participate in the imitation. [ 2 ]