词条 | blues |
释义 | blues music ![]() Although instrumental accompaniment is almost universal in the blues, the blues are essentially vocal (vocal music). Blues songs are lyrical rather than narrative; blues singers are expressing feelings rather than telling stories. The emotion expressed is generally one of sadness or melancholy, often due to problems in love. To express this musically, blues performers use vocal techniques such as melisma (melodic embellishment) and syncopation and instrumental techniques such as “choking” or bending guitar strings on the neck or applying a metal slide or bottleneck to the guitar strings to create a whining, voice-like sound. As a musical style, the blues is characterized by expressive pitch inflections (blue notes), a three-line textual stanza of the form AAB, and a 12-measure form. Typically the first two and a half measures of each line are devoted to singing, the last measure and a half consisting of an instrumental “break” that repeats, answers, or complements the vocal line. In terms of functional (i.e., traditional European) harmony, the simplest blues harmonic progression is described as follows (I, IV, and V refer respectively to the first or tonic, fourth or subdominant, and fifth or dominant notes of the scale): Phrase 1 (measures 1–4) I–I–I–I Phrase 2 (measures 5–8) IV–IV–I–I Phrase 3 (measures 9–12) V–V–I–I African influences are apparent in the blues tonality, the call-and-response pattern of the repeated refrain structure of the blues stanza, the falsetto break in the vocal style, and the imitation of vocal idioms by instruments, especially the guitar and harmonica. The origins of the blues are poorly documented. Blues developed in the southern United States after the Civil War. It was influenced by work songs and field hollers, minstrel show music, ragtime, church music, and the folk and popular music of whites. Blues derived from and was largely played by southern black men, most of whom came from the milieu of agricultural workers. The earliest references to blues date back to the 1890s and early 1900s. In 1912 black bandleader W.C. Handy (Handy, W.C.)'s composition "Memphis Blues" was published. It became very popular, and thereafter many other Tin Pan Alley songs entitled blues began to appear. ![]() ![]() The Great Depression and the World Wars caused the geographic dispersal of the blues as millions of blacks left the South for the cities of the North. The blues became adapted to the more sophisticated urban environment. Lyrics took up urban themes, and the blues ensemble developed as the solo bluesman was joined by a pianist or harmonica player and then by a rhythm section consisting of bass and drums. The electric guitar and the amplified harmonica created a driving sound of great rhythmic and emotional intensity. ![]() ![]() The blues have influenced many other musical styles. Blues and jazz are closely related; such seminal jazzmen as Jelly Roll Morton (Morton, Jelly Roll) and Louis Armstrong (Armstrong, Louis) employed blues elements in their music. soul music and rhythm and blues also show obvious blues tonalities and forms. The blues have had their greatest influence on rock music. Early rock singers such as Elvis Presley (Presley, Elvis) often used blues material. British rock musicians in the 1960s, especially the Rolling Stones (Rolling Stones, the), Eric Clapton (Clapton, Eric), and John Mayall (Mayall, John), were strongly influenced by the blues, as were such American rock musicians as Mike Bloomfield, Paul Butterfield, and the Allman Brothers Band (Allman Brothers Band, the). Additional Reading Works of history and criticism include Samuel B. Charters, The Country Blues (1959, reprinted 1975); Paul Oliver, Screening the Blues (also published as Aspects of the Blues Tradition, 1968), and The Story of the Blues (1969, reissued 1982); Giles Oakley, The Devil's Music, rev. ed. (1983); William Barlow, “Looking Up at Down”: The Emergence of Blues Culture (1989); and Lawrence Cohn et al., Nothing but the Blues: The Music and the Musicians (1993). Paul Oliver, Blues Fell This Morning: Meaning in the Blues, 2nd ed. (1990), studies the historical context of blues lyrics. |
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