Cycle (music)
Encyclopedia
A music cycle is when a section of a song/music is repeated.

In music
Music
Music is an art form whose medium is sound and silence. Its common elements are pitch , rhythm , dynamics, and the sonic qualities of timbre and texture...

 a cycle is a section
Section (music)
In music, a section is "a complete, but not independent musical idea". Types of sections include the introduction or intro, exposition, recapitulation, verse, chorus or refrain, conclusion, coda or outro, fadeout, bridge or interlude...

 which is repeated
Repetition (music)
Repetition is important in music, where sounds or sequences are often repeated. One often stated idea is that repetition should be in balance with the initial statements and variations in a piece. It may be called restatement, such as the restatement of a theme...

 or repeatable indefinitely, with the end of a preceding repetition leading to the beginning of a succeeding repetition. Cycles may be melodic
Melody
A melody , also tune, voice, or line, is a linear succession of musical tones which is perceived as a single entity...

, harmonic
Harmony
In music, harmony is the use of simultaneous pitches , or chords. The study of harmony involves chords and their construction and chord progressions and the principles of connection that govern them. Harmony is often said to refer to the "vertical" aspect of music, as distinguished from melodic...

, rhythm
Rhythm
Rhythm may be generally defined as a "movement marked by the regulated succession of strong and weak elements, or of opposite or different conditions." This general meaning of regular recurrence or pattern in time may be applied to a wide variety of cyclical natural phenomena having a periodicity or...

ic, or based on some other musical dimension. Cycles may begin at any point in a composition or in relation to another cycle, contain or consist of cycles, and may be varied
Variation (music)
In music, variation is a formal technique where material is repeated in an altered form. The changes may involve harmony, melody, counterpoint, rhythm, timbre, orchestration or any combination of these.-Variation form:...

 upon repetition.

Harmonic cycles are at the root of many musical genres, such as the twelve-bar blues. In compositions of this genre, the chord progression may be repeated indefinitely, with melodic and lyrical variation forming the musical interest. The form theme and variations is essentially of this type, but generally on a larger scale.

Composition using a tone row
Tone row
In music, a tone row or note row , also series and set, refers to a non-repetitive ordering of a set of pitch-classes, typically of the twelve notes in musical set theory of the chromatic scale, though both larger and smaller sets are sometimes found.-History and usage:Tone rows are the basis of...

 is another example of a cycle of pitch material, although it may be more difficult to hear because the variations are more diverse.

Rhythmic cycles

The music of both India and Indonesia are noted for their cyclical approach to rhythms. In Indian classical music
Indian classical music
The origins of Indian classical music can be found in the Vedas, which are the oldest scriptures in the Hindu tradition. Indian classical music has also been significantly influenced by, or syncretised with, Indian folk music and Persian music. The Samaveda, one of the four Vedas, describes music...

, a specific rhythmic structure known as a tala
Tala (music)
Tāla, Taal or Tal is the term used in Indian classical music for the rhythmic pattern of any composition and for the entire subject of rhythm, roughly corresponding to metre in Western music, though closer conceptual equivalents are to be found in other Asian classical systems such as the notion...

 is repeated through the length of the raga, and used as a basis for improvisation of the drum parts.

In the gamelan
Gamelan
A gamelan is a musical ensemble from Indonesia, typically from the islands of Bali or Java, featuring a variety of instruments such as metallophones, xylophones, drums and gongs; bamboo flutes, bowed and plucked strings. Vocalists may also be included....

 music of Indonesia, there are nested gong
Gong
A gong is an East and South East Asian musical percussion instrument that takes the form of a flat metal disc which is hit with a mallet....

 cycles which determine the rhythmic framework of the piece. This sort of cycling is called colotomy
Colotomy
Colotomy is a term coined by the ethnomusicologist Jaap Kunst to describe the rhythmic patterns of the gamelan. It refers to the use of specific instruments to mark off nested time intervals, or the process of dividing rhythmic time into such nested cycles...

. In the same way as specific harmonic cycles determine the genre of many Western pieces (like the blues), gamelan pieces are classified according to their colotomic structures. Some other styles of music, such as gagaku
Gagaku
Gagaku is a type of Japanese classical music that has been performed at the Imperial Court in Kyoto for several centuries. It consists of three primary repertoires:#Native Shinto religious music and folk songs and dance, called kuniburi no utamai...

 or pi phat, have been analyzed colotomically.

Mixed cycles

Different types of musical cycles can overlap. One example is isorhythm
Isorhythm
Isorhythm is a musical technique that arranges a fixed pattern of pitches with a repeating rhythmic pattern.-Detail:...

, the medieval practice of using melodic and rhythmic cycles in one or two voices. There is a certain sequence of pitch material (known as the color) and a separate sequence of rhythmic values (known as the talea), which is of different length. If the lengths of the two cycles are relatively prime, a complex melody will emerge. Most compositions using this technique end when the two cycles coincide.

A similar process is used in serial music, although the number of different overlapping cycles can be quite large, and encode a wide variety of musical parameters, such as dynamics
Dynamics (music)
In music, dynamics normally refers to the volume of a sound or note, but can also refer to every aspect of the execution of a given piece, either stylistic or functional . The term is also applied to the written or printed musical notation used to indicate dynamics...

, articulation
Articulation (music)
In music, articulation refers to the musical direction performance technique which affects the transition or continuity on a single note or between multiple notes or sounds.- Types of articulations :...

, timbre
Timbre
In music, timbre is the quality of a musical note or sound or tone that distinguishes different types of sound production, such as voices and musical instruments, such as string instruments, wind instruments, and percussion instruments. The physical characteristics of sound that determine the...

, register
Register (music)
In music, a register is the relative "height" or range of a note, set of pitches or pitch classes, melody, part, instrument or group of instruments...

, and so forth.

See also

  • Interval cycle
    Interval cycle
    In music, an interval cycle is a collection of pitch classes created from a sequence of the same interval class. In other words a collection of pitches by starting with a certain note and going up by a certain interval until the original note is reached In music, an interval cycle is a collection...

  • Song cycle
    Song cycle
    A song cycle is a group of songs designed to be performed in a sequence as a single entity. As a rule, all of the songs are by the same composer and often use words from the same poet or lyricist. Unification can be achieved by a narrative or a persona common to the songs, or even, as in Schumann's...

  • Circle of fifths
    Circle of fifths
    In music theory, the circle of fifths shows the relationships among the 12 tones of the chromatic scale, their corresponding key signatures, and the associated major and minor keys...

  • Philip Glass
    Philip Glass
    Philip Glass is an American composer. He is considered to be one of the most influential composers of the late 20th century and is widely acknowledged as a composer who has brought art music to the public .His music is often described as minimalist, along with...

The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
x
OK