<human>:  What is the history of jazz music?
<bot>: Jazz is a musical art form that originated in the late 19th and early 20th centuries in the United States. Its roots are in African-American musical styles and the fusion of European harmonic structure, usually in the form of ragtime or blues. Jazz has come to incorporate a variety of styles, including swing, bebop, and funk, as well as more modern styles such as fusion and jazz-rock. Throughout its history, jazz has contributed to popular culture, giving shape to some of the most iconic songs and sounds of generations, influencing the language of music, and empowering and unifying diverse populations.