Blues

Blues is a music genre and musical form which was originated in the Deep South of the United States around the 1860s by African-Americans from roots in African-American work songs, and spirituals. Blues incorporated spirituals, work songs, field hollers, shouts, chants, and rhymed simple narrative ballads. The blues form, ubiquitous in Jazz, rhythms and rock and roll, is characterized by the call and response pattern, the blue scale and specific chord progressions , of which the twelve is the most common.