Perpetuum mobile  

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In music, perpetuum mobile (English pronunciation /pərˌpɛtjʊəm ˈmoʊbɪleɪ/, /ˈmoʊbɪli/; literally, "perpetual motion"), moto perpetuo (Italian), mouvement perpétuel (French), movimento perpétuo (Portuguese) movimiento perpetuo (Spanish), carries two distinct meanings: first, as describing entire musical compositions or passages within them that are characterised by a continuous stream of notes, usually but not always at a rapid tempo; and also as describing entire compositions, or extended passages within them that are meant to be played in a repetitious fashion, often an indefinite number of times.

Contents

Types of perpetuum mobile composition

[[File:Chopin sonata2 finale.svg|thumb|550px|A well-known example as a technique is the presto finale of Frédéric Chopin's Piano Sonata No. 2: This figuration of rapid triplet quavers (eighth notes) continues for the duration of the movement.]] Template:Listen As a distinct composition, perpetuum mobile can be defined as one in which part or most of the piece is intended to be repeated an often unspecified number of times, without the "motion" of the melody being halted when a repeat begins.

Canon are often intended to be performed in a moto perpetuo fashion, and can thus be called canon perpetuus.

In some cases the repeats of a "perpetuum mobile" piece are at a different pitch, a modulation or a chord progression occurs during the repeatable part. Some of the riddle canons of Bach's Template:Lang are examples of this particular kind of perpetuum mobile/canon perpetuus.Template:Citation needed

Perpetuum mobile as a genre of separate musical compositions was at the height of its popularity by the end of the 19th century. Such pieces would often be performed as virtuoso encores, in some cases increasing the tempo along the repeats.

Examples

Perpetuum mobile pieces of both kinds include:

Baroque period

Classical period

Romantic period

Template:Listen

20th century

21st century

See also





Unless indicated otherwise, the text in this article is either based on Wikipedia article "Perpetuum mobile" or another language Wikipedia page thereof used under the terms of the GNU Free Documentation License; or on research by Jahsonic and friends. See Art and Popular Culture's copyright notice.

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