musics

History
The examples and perspective in this section, particularly after about 950, may not represent a worldwide view of the subject.
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Figurines playing stringed instruments, excavated at Susa, 2nd millennium BC. Iran National Museum.Main article: History of music
The history of music predates the written word. The development of music among humans must have taken place against the backdrop of natural sounds such as birdsong and the sounds other animals use to communicate.[citation needed] Prehistoric music is the name given to all music produced in preliterate cultures.[citation needed][1]


Ancient
Main article: Ancient music
A range of paleolithic sites have yielded bones in which lateral holes have been pierced: these are usually identified as flutes[2], blown at one end like the Japanese shakuhachi. The earliest written records of musical expression are to be found in the Sama Veda of India and in 4,000 year old cuneiform from Ur.[citation needed] Instruments, such as the seven-holed flute and various types of stringed instruments have been recovered from the Indus valley civilization archaeological sites.[3] India has one of the oldest musical traditions in the world—references to Indian classical music (marga) can be found in the ancient scriptures of the Hindu tradition, the Vedas. The traditional art or court music of China has a history stretching for more than three thousand years. Music was an important part of cultural and social life in Ancient Greece: mixed-gender choruses performed for entertainment, celebration and spiritual ceremonies; musicians and singers had a prominent role in ancient Greek theater; music was part of children's basic education.[citation needed]

Al-Farabi (c. 872 - c. 950) wrote a notable book on music titled Kitab al-Musiqi al-Kabir ("Great Book of Music"). He played and invented a variety of musical instruments and devised the Arab tone system of pitch organisation, which is still used in Arabic music.[4]


Medieval and Renaissance Europe
Main articles: Medieval music and Renaissance music
While musical life in Europe was undoubtedly rich in the early Medieval era, as attested by artistic depictions of instruments, writings about music, and other records, the only European repertory which has survived from before about 800 is the monophonic liturgical plainsong of the Roman Catholic Church, the central tradition of which was called Gregorian chant. Several schools of liturgical polyphony flourished in the period after about 1100. Alongside these traditions of sacred music, a vibrant tradition of secular song developed, exemplified by the music of the troubadours, trouvères and Minnesänger.

Much of the surviving music of 14th century Europe is secular. By the middle of the 15th century, composers and singers used a smooth polyphony for sacred musical compositions such as the mass, the motet, and the laude, and secular forms such as the chanson and the madrigal. The introduction of commercial printing had an immense influence on the dissemination of musical styles.[citation needed]


European Baroque
Main article: Baroque music
The first operas, written around 1600 and the rise of contrapuntal music define the end of the Renaissance and the beginning of the Baroque era that lasted until roughly 1750, the year of the death of Johann Sebastian Bach.


Allegory of Music, by Filippino Lippi
Allegory of Music on the Opéra GarnierGerman Baroque composers wrote for small ensembles including strings, brass, and woodwinds, as well as Choirs, pipe organ, harpsichord, and clavichord. During the Baroque period, several major music forms were defined that lasted into later periods when they were expanded and evolved further, including the Fugue, the Invention, the Sonata, and the Concerto.[5]


European Classical
Main article: Classical period (music)
The music of the Classical period is characterized by homophonic texture, often featuring prominent melody with accompaniment. These new melodies tended to be almost voice-like and singable. The now popular instrumental music was dominated by further evolution of musical forms initially defined in the Baroque period: the sonata, and the concerto, with the addition of the new form, the symphony. Joseph Haydn and Wolfgang Amadeus Mozart, well known even today, are among the central figures of the Classical period.


Romantic
Main article: Romantic music
Ludwig van Beethoven and Franz Schubert were transitional composers, leading into the Romantic period, with their expansion of existing genres, forms, and functions of music. In the Romantic period, the emotional and expressive qualities of music came to take precedence over the orientation towards technique and tradition. The late 19th century saw a dramatic expansion in the size of the orchestra, and in the role of concerts as part of urban society. Later Romantic composers created complex and often much longer musical works, merging and expanding traditional forms that had previously been used separately. For example, counterpoint, combined with harmonic structures to create more extended chords with increased use of dissonance and to create dramatic tension and resolution.


The 20th century
Main article: 20th century music
The 20th Century saw a revolution in music listening as the radio gained popularity worldwide and new media and technologies were developed to record, capture, reproduce and distribute music. The focus of art music in the 20th was characterized by exploration. Claude Debussy has become well-known and respected for his orientation towards colors and depictions in his compositional style. Igor Stravinsky, Arnold Schoenberg, and John Cage were all deeply influential composers in 20th century art music. Jazz evolved and became a significant genre of music over the course of the 20th century, and during the second half of that century, rock music and rap music did the same.


Performance

Chinese Naxi musiciansPerformance is the physical expression of music. Often, a musical work is performed once its structure and instrumentation are satisfactory to its creators; however, as it gets performed more and more over time, it can evolve and change in any number of ways.

A performance can either be rehearsed or improvised. Improvisation is a musical idea created on the spot (such as a guitar solo or a drum solo), with no prior premeditation, while rehearsal is vigorous repetition of an idea until it has achieved cohesion. Musicians will generally add improvisation to a well-rehearsed idea to create a unique performance. Many cultures include strong traditions of solo and performance, such as in Indian classical music, and in the Western Art music tradition. Other cultures, such as in Bali, include strong traditions of group performance. All cultures include a mixture of both, and performance may range from improvised solo playing for one's enjoyment to highly planned and organised performance rituals such as the modern classical concert, religious processions, music festivals or music competitions.

Chamber music, which is music for a small ensemble with only a few of each type of instrument, is often seen as more intimate than symphonic works. A performer may be referred to as a musician.


Aural tradition
Many types of music, such as traditional blues and folk were originally preserved in the memory of performers, and the songs were handed down orally, or aurally ("by ear"). When the composer of music is no longer known, this music is often classified as "traditional". Different musical traditions have different attitudes towards how and where to make changes to the original source material, from quite strict, to those which demand improvisation or modification to the music. History is also passed by ear through song- for example in African societies.


Ornamentation
Main article: Ornament (music)
The detail included explicitly in the music notation varies between genres and historical periods. In general, art music notation from the 17th through to the 19th century required performers to have a great deal of contextual knowledge about performing styles.

For example, in the 17th and 18th century, music notated for solo performers typically indicated a simple, unornamented melody. However, it was expected that performers would know how to add stylistically-appropriate ornaments such as trills and turns. In the 19th century, art music for solo performers may give a general instruction such as to perform the music expressively, without describing in detail how the performer should do this. It was expected that the performer would know how to use tempo changes, accentuation, and pauses (among other devices) to obtain this "expressive" performance style. In the 20th century, art music notation often became more explicit, and used a range of markings and annotations to indicate to performers how they should play or sing the piece.

In popular music and jazz, music notation almost always indicates only the basic framework of the melody, harmony, or performance approach; musicians and singers are expected to know the performance conventions and styles associated with specific genres and pieces. For example, the "lead sheet" for a jazz tune may only indicate the melody and the chord changes. The performers in the jazz ensemble are expected to know how to "flesh out" this basic structure by adding ornaments, improvised music, and chordal accompaniment.


Production
Main article: Music production
Music is composed and performed for many purposes, ranging from aesthetic pleasure, religious or ceremonial purposes, or as an entertainment product for the marketplace. Amateur musicians compose and perform music for their own pleasure, and they do not attempt to derive their income from music. Professional musicians are employed by a range of institutions and organisations, including armed forces, churches and synagogues, symphony orchestras, broadcasting or film production companies, and music schools. As well, professional musicians work as freelancers, seeking contracts and engagements in a variety of settings.

Although amateur musicians differ from professional musicians in that amateur musicians have a non-musical source of income, there are often many links between amateur and professional musicians. Beginning amateur musicians take lessons with professional musicians. In community settings, advanced amateur musicians perform with professional musicians in a variety of ensembles and orchestras. In some rare cases, amateur musicians attain a professional level of competence, and they are able to perform in professional performance settings.

A distinction is often made between music performed for the benefit of a live audience and music that is performed for the purpose of being recorded and distributed through the music retail system or the broadcasting system. However, there are also many cases where a live performance in front of an audience is recorded and distributed (or broadcast).


Composition
Main article: Musical composition
Often we class "composition" as the creation and recording of music via a medium by which others can interpret it (i.e. paper or sound). Many cultures use at least part of the concept of preconceiving musical material, or composition, as held in western classical music. Even when music is notated precisely, there are still many decisions that a performer has to make. The process of a performer deciding how to perform music that has been previously composed and notated is termed interpretation.

Different performers' interpretations of the same music can vary widely. Composers and song writers who present their own music are interpreting, just as much as those who perform the music of others or folk music. The standard body of choices and techniques present at a given time and a given place is referred to as performance practice, where as interpretation is generally used to mean either individual choices of a performer, or an aspect of music which is not clear, and therefore has a "standard" interpretation.

In some musical genres, such as jazz and blues, even more freedom is given to the performer to engage in improvisation on a basic melodic, harmonic, or rhythmic framework. The greatest latitude is given to the performer in a style of performing called free improvisation, which is material that is spontaneously "thought of" (imagined) while being performed, not preconceived. According to the analysis of Georgiana Costescu, improvised music usually follows stylistic or genre conventions and even "fully composed" includes some freely chosen material (see precompositional). Composition does not always mean the use of notation, or the known sole authorship of one individual.

Music can also be determined by describing a "process" which may create musical sounds, examples of this range from wind chimes, through computer programs which select sounds. Music which contains elements selected by chance is called Aleatoric music, and is associated with such composers as John Cage, Morton Feldman, and Witold Lutosławski.

Musical composition is a term that describes the composition of a piece of music. Methods of composition vary widely from one composer to another, however in analysing music all forms -- spontaneous, trained, or untrained -- are built from elements comprising a musical piece. Music can be composed for repeated performance or it can be improvised; composed on the spot. The music can be performed entirely from memory, from a written system of musical notation, or some combination of both. Study of composition has traditionally been dominated by examination of methods and practice of Western classical music, but the definition of composition is broad enough to include spontaneously improvised works like those of free jazz performers and African drummers.

What is important in understanding the composition of a piece is singling out its elements. An understanding of music's formal elements can be helpful in deciphering exactly how a piece is constructed. A universal element of music is how sounds occur in time, which is referred to as the rhythm of a piece of music.

When a piece appears to have a changing time-feel, it is considered to be in rubato time, an Italian expression that indicates that the tempo of the piece changes to suit the expressive intent of the performer. Even random placement of random sounds, which occurs in musical montage, occurs within some kind of time, and thus employs time as a musical element