Blues is the name given to both a musical form and a music genre created within the African-American communities in the Deep South of the United States at the end of the 19th century from spirituals, work songs, field hollers, shouts and chants, and rhymed simple narrative ballads. The blues form which is ubiquitous in jazz, rhythm and blues and rock and roll is characterized by the use of specific chord progressions — the twelve-bar blues chord ...
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Blues is the name given to both a musical form and a music genre created within the African-American communities in the Deep South of the United States at the end of the 19th century from spirituals, work songs, field hollers, shouts and chants, and rhymed simple narrative ballads. The blues form which is ubiquitous in jazz, rhythm and blues and rock and roll is characterized by the use of specific chord progressions — the twelve-bar blues chord progressions being the most frequently encountered — and the blue note that for expressive purposes are sung or played flattened or gradually bent in relation to the pitch of the major scale.
The blues genre is based on the blues form but possesses other characteristics such as specific lyrics, bass lines and instruments. Blues can be subdivided in several subgenres ranging from country to urban blues that were more or less popular during different periods of the 20th century. Best known are the Delta, Piedmont, Jump and Chicago blues styles....
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