作业帮布鲁斯蓝调 英语用英文简介布鲁斯蓝调
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布鲁斯蓝调 英语用英文简介布鲁斯蓝调
布鲁斯蓝调 英语
用英文简介布鲁斯蓝调
布鲁斯蓝调 英语用英文简介布鲁斯蓝调
Blues is a music genre based on the use of the blues chord progressions and the blue notes.Though several blues forms exist,the 12-bar blues chord progressions are the most frequently encountered.Blue notes are sung or played at a slightly lower pitch than that of the major scale for expressive purposes.Blues emerged at the end of the 19th century as an accessible form of self-expression in African-American communities of the United States from spirituals,work songs,field hollers,shouts and chants,and rhymed simple narrative ballads.The use of blue notes and the prominence of call-and-response patterns in the music and lyrics are indicative of African influences.The blues influenced later American and Western popular music,as the blues form became a basic pattern of jazz,rhythm and blues,bluegrass and rock and roll.In the 1960s and 1970s,blues evolved into a hybrid form called blues rock.In the 1990s,punk blues appeared as an outgrowth of the blues rock and punk movements.