The blues is a vocal and instrumental musical form and musical genre based on the spirituals and African American folk music of Negroes living mainly in the Deep South.
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The texts are composed of simple rhymes and balads. Blues is based on blues forms, but gas other characteristics such as specific lyric, bass line and instruments.
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The blues strongly influenced the development
of leter Western popular music, becoming the basis of genres suck as jazz, rock, hip hop, and other.
Blues can be divided into several subgenres ranging between country and urban blues, which are more or less popular in different periods of the 20th century. The most famous are Delta Blues, Pidmont Blues, Jump Blues and Chicago Blues. During the Second World War, the transition from acoustic to electric blues began and the growing discovery of blues to a wider audience. In the 60's and 70's a hybrid form appeared