Jazz is a style of music that emerged at the beginning of the 20th century in black communities in the south of the United States. Jazz combined the musical traditions of African and European culture. The main characteristics of jazz are improvisation, poly-rhythmy, syncopying and a special rhythmic pattern called swing. As the style spread, jazz gradually absorbed the peculiarities of various national, regional and local musical cultures, resulting in a huge number of subgenres over time. Traditional jazz is considered to be its New Orleans variant, which appeared approximately in 1900. Later, the style spread to other cities in the south of the U.S., resulting in the formation of separate jazz centers: St. Louis, Kansas City and Memphis. By the beginning of the 1920s, jazz slowly but confidently captured a vast territory of "states", gradually moving northwards. Soon Chicago became the center of this trend of music. Although born in the midst of black people, white musicians did not