In striving to develop a personal threatening or tone colorâ€"an idiosyncratic sense of calendar method and form and an individual style of executionâ€"performers create rhythms characterized by constant syncopation (accents in unexpected places) and also by swingâ€"a sensation of pull and momentum that arises as the melody is heard alternately together with, then approximately at variance with, the expected pulse or character of a pulse. Written scores, if present, ar 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, to which may be added any effect of wind instruments. In big bands the winds are grouped into three sectionsâ€"saxophones, trombones, and trumpets. Although exceptions occur in some styles, close jazz is based on the principle that an infinite number of melodies can fit the chord progressions of any song. The musician improvises refreshed melodies that... If you want to get a full essay, order it on our website: Orderessay
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