jazz的英文介绍(共3页).doc

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1、精选优质文档-倾情为你奉上jazz I Introduction Jazz, type of music first developed by African Americans around the first decade of the 20th century that has an identifiable history and distinct stylistic evolution. Jazz grew up alongside the blues and popular music, and all these genres overlap in many ways. Howe

2、ver, critics generally agree about whether artists fall squarely in one camp or another. II Characteristics Since its beginnings jazz has branched out into so many styles that no single description fits all of them accurately. A few generalizations can be made, however, bearing in mind that for all

3、of them, exceptions can be cited. Performers of jazz improvise within the conventions of their chosen style. Typically, the improvisation is accompanied by the repeated chord progression of a popular song or an original composition. Instrumentalists emulate black vocal styles, including the use of g

4、lissandi (sliding movements that smoothly change the pitch), nuances of pitch (including blue notes, the “bent” notes that are played or sung slightly lower than the major scale), and tonal effects such as growls and wails. In striving to develop a personal sound, or tone color (an idiosyncratic sen

5、se of rhythm and form and an individual style of execution), performers create rhythms characterized by constant syncopation (the placing of accents in unexpected places, usually on the weaker beat) and by swing. Swing can be defined as a sensation of momentum in which a melody is alternately heard

6、together with, then slightly at variance with, the regular beat. Written scores, if present, are often used merely as guides, providing structure within which improvisation occurs. The typical instrumentation begins with a rhythm section consisting of piano, string bass, drums, and optional guitar,

7、to which may be added any number of wind instruments. In big bands the wind instruments are grouped into three sections: saxophones, trombones, and trumpets. Although exceptions occur in some styles, most jazz is based on the principle that an infinite number of melodies can fit the chord progressio

8、ns of any song. The musician improvises new melodies that fit the chord progression, which is repeated again and again as each soloist is featured, for as many choruses as desired. Although pieces with many different formal patterns are used for jazz improvisation, two formal patterns in particular

9、are frequently found in songs used for jazz. One is the AABA form of popular-song choruses, which typically consists of 32 measures in meter, divided into four 8-measure sections: section A, a repetition of section A, section B (the “bridge” or “release,” often beginning in a new key), and a repetit

10、ion of section A. The second form, with roots deep in African American folk music, is the 12-bar blues form. Unlike the 32-bar AABA form, blues songs have a fairly standardized chord progression. III Origins Jazz is rooted in the mingled musical traditions of African Americans. These include traits

11、surviving from West African music; black folk music forms developed in the Americas; European popular and light classical music of the 18th and 19th centuries; and later popular music forms influenced by black music or produced by black composers. Among the surviving African traits are vocal styles

12、that include great freedom of vocal color; a tradition of improvisation; call-and-response patterns; and rhythmic complexity, both in the syncopation of individual melodic lines and in the conflicting rhythms played by different members of an ensemble. Black folk music forms include field hollers, r

13、owing chants, lullabies, and later, spirituals and blues (see African American Music). European music contributed specific styles and forms: hymns, marches, waltzes, quadrilles, and other dance music, as well as light theatrical music and Italian operatic music. European music also introduced theore

14、tical elements, in particular, harmony, both as a vocabulary of chords and as a concept related to musical form. (Much of the European influence was absorbed through private lessons in European music, even when the black musicians so trained could only find work in seedy entertainment districts and

15、on Mississippi riverboats.) Black-influenced elements of popular music that contributed to jazz include the banjo music of the minstrel shows (derived from the banjo music of slaves), the syncopated rhythmic patterns of African-influenced Latin American music (heard in southern U.S. cities), the bar

16、relhouse piano styles of tavern musicians in the Midwest, and the marches played by black brass bands in the late 19th century. Near the end of the 19th century, another influential genre emerged. This was ragtime, a composed music that combined many elements, including syncopated rhythms (from banj

17、o music and other black sources) and the harmonic contrasts and formal patterns of European marches. After 1910 bandleader W. C. Handy took another influential form, the blues, and broke its strict oral tradition by publishing his original blues songs. (Favored by jazz musicians, Handys songs found

18、one of their greatest interpreters in the 1920s in blues singer Bessie Smith, who recorded many of them.) The merging of these multiple influences into jazz is difficult to reconstruct because it occurred before the existence of recording, which has provided valuable documentation. Of course, indivi

19、dual musicians had varying backgrounds and few people were directly exposed to all of these influences. For example, most jazz artists were and are city dwellers and might have only known rural black forms indirectly. IV History Most early jazz was played in small dance bands or by solo pianists. Be

20、sides ragtime and marches, the repertoire included all kinds of popular dance music and blues. The bands typically played at picnics, weddings, parades, and funerals. Characteristically, the bands played dirges on the way to funerals and lively marches on the way back. Blues and ragtime had arisen i

21、ndependently just a few years before jazz and continued to exist alongside it, influencing the style and forms of jazz and providing important vehicles for jazz improvisation.RAPThe traditional entertainment involving talking and singing (Rap) is in black slang words and expressions, is equal in “th

22、e conversation” (talking), is from New York impoverished black community. It by under machinerys rhythm sounds background, related fast a succession of ryhme the verse is a characteristic. One of this form origins was the past broadcasting station master of ceremonies in introduced when phonograph r

23、ecord used one kind fast, ryhme shoptalk language. Lapps lyrics are humorous, are charming, often has sarcastic, in the 80s receives the black to welcome especially. The most representative orchestra is “the overt enemy” (Public Enemy). Sometimes Lapp also calls “the Shipp - hopp” (hip-hop). In fact

24、, the Shipp - hopps meaning was wider, makes a general reference at that time New York street corner culture each ingredient, besides Lapp, but also had: (Lapp uses frequently) places with the hand on the record player turntables phonograph record shuttle, sends out has the rhythm to blow the fricat

25、ive; Phonograph record broadcast (DJ) when transformation phonograph record splicing canned music piece, cannot listen to the interrupt trace technique; Break dancing and so on. Reprimanding or traditional entertainment involving talking and singing music, rhythm and blue color music (R&B) style inc

26、luding the rhythmic vocals sophistry in music accompaniment. The accompaniment includes the electronic drum to strike generally with the sample (digital sound bite which isolates) is unified from other music sound recording. in 1979 the first reprimanding record has been created, and the style rose to has broken out in the US in 专心-专注-专业