Jazz is a music that originated at the beginning of the 20th century, within the African-American communities of the Southern United States, Its roots lie in the African-American adoption of European harmony, and form to existing African musical elements, African musical influences are evident in the use of blue notes, syncopation and the swung note, From its early development until the present day, jazz has also incorporated elements from American popular music, As the music has developed and spread around the world, it has drawn on many different national regional, and local musical cultures giving rise, since its early 20th century American beginnings, to many distinctive styles,