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BLUES
Blues is called a musical genre that arose in the American South from compositions and interpretations of African-American women and men The blues was born as a vocal musical form and later evolved into multiple styles
It evolved into styles such as: Jazz, rhythm & blues, rap, ska, reggae, rock and roll, rock.
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Common instruments: Guitar, electric bass, drums, piano, harmonica, saxophone, voice, trombone and trumpet
In general, the blues has a twelve-bar structure and a rhythm known as a shuffle. The spirituals (a type of religious song), the so-called field cries and the succession of musical phrases called call and response are part of the songs of this genre
Another of the particularities of the blues is the importance it gives to the guitar Musicians often resort to techniques such as slide and bend to generate different sound effects.
The harmonica also usually has a leading role in the blues In this instrument, the use of the cross harp stands out, a technique popularized by Sonny Boy Williamson I multiple blues
Acid Blues african blues british blues canadian blues blues drama blues rock blues shouter chicago blues female classic blues country blues delta blues detroit blues east coast blues gospel blues hokum blues jazz blues
Orígenes del blues
El blues es una expresión musical que llegó a los Estados Unidos de América del Norte a través de los esclavos que provenían principalmente de la costa occidental de África Este tráfico de esclavos se produjo ininterrumpidamente desde comienzos del siglo XVII hasta 1812, año en el que quedó prohibido su comercio. Sin embargo, la esclavitud no se aboliría hasta 1863. Los esclavos viajaban en los barcos encadenados, por lo que se conjetura que la única forma musical que podían interpretar era la vocal, aunque pudiera ser que algún instrumento llegara con ellos en su viaje. A finales del siglo XVIII y comienzos del XIX había en las plantaciones esclavos que tocaban el violín, el banjo o flautas bastante primitivas.La primera distinción entre las canciones que interpretaban los afroamericanos ya en el siglo XIX, está entre los espirituales o canciones religiosas y las canciones mundanas o blues propiamente dicho.
Evolución del blues
En primer lugar, la primera evolución importante que tuvo lugar en el blues, fue su paso de los campos a las ciudades. En estas ciudades siguió creciendo y pasó desde unas primeras interpretaciones en los bares de forma informal, hacia los teatros, convirtiéndose en un gran género musical de entretenimiento. Conforme se iba haciendo más popular, empezaron a darse las primeras grabaciones y con ello la propagación del género por todo el continente.

Después de haber finalizado la segunda guerra mundial y durante los años 50, muchos afroamericanos se trasladaron a ciudades del norte de los Estados Unidos, arrastrando la cultura del blues tras de sí y fusionándola con otros géneros, creando por ejemplo el blues eléctrico, que utilizaba guitarras eléctricas, bajos, baterías y armónicas, teniendo una gran influencia en Chicago Fue durante estos años 50 cuando empezaba a alcanzar importantes cuotas de popularidad ya que gracias también a este nuevo género conocido como blues eléctrico, era más fácil llegar a gente que no buscaba una música tan melancólica y quería algo más alegre

Origins of the blues
The blues is a musical expression that came to the United States of North America through slaves who came mainly from the west coast of Africa. This slave trade occurred without interruption from the beginning of the 17th century until 1812, the year in which its trade was prohibited. However, slavery would not be abolished until 1863 The slaves traveled on the ships in chains, so it is conjectured that the only musical form they could interpret was the vocal, although it could be that some instrument arrived with them on their trip. At the end of the 18th century and the beginning of the 19th century, there were slaves on the plantations who played the violin, the banjo or quite primitive flutes mundane songs or blues proper.
Evolution of the blues
First of all, the first important evolution that took place in the blues was its movement from the fields to the cities. In these cities it continued to grow and went from its first informal performances in bars to theaters, becoming a great musical genre of entertainment. As it became more popular, the first recordings began to be made and with it the spread of the genre throughout the continent.

After World War II ended and during the 1950s, many African Americans moved to cities in the northern United States, dragging the blues culture behind them and merging it with other genres, creating for example electric blues, which used electric guitars, basses, drums and harmonicas, having a great influence in Chicago It was during the 1950s when it began to reach significant levels of popularity, since thanks also to this new genre known as electric blues, it was easier to reach people who were not looking for such melancholic music and wanted something more cheerful
