Jazz is a music genre that originated at the beginning of the 20th century in African American communities in the Southern United States from a confluence of African and European music traditions. From its early development until the present, jazz has incorporated music from 19th and 20th century American popular music. Its West African pedigree is evident in its use of blue notes, improvisation, polyrhythms, syncopation, and the swung note. However, Art Blakey has been quoted as saying, "No America, no jazz. Ive seen people try to connect it to other countries, for instance to Africa, but it doesnt have a damn thing to do with Africa".
The word "jazz" (in early years also spelled "jass") began as a West Coast slang term and was first used to refer to music in Chicago in about 1915.
From its beginnings in the early 20th century jazz has spawned a variety of subgenres: New Orleans Dixieland dating from the early 1910s, big band-style swing from the 1930s and 1940s, bebop