Jazz is a music genre that originated in the African-American communities of New Orleans, Louisiana, in the late 19th and early 20th centuries, with its roots in blues and ragtime. Since the 1920s Jazz Age, it has been recognized as a major form of musical expression in traditional and popular music. Jazz is characterized by swing and blue notes, complex chords, call and response vocals, polyrhythms and improvisation. Jazz has roots in European harmony and African rhythmic rituals.
Albert Gleizes, 1915, Composition for "Jazz" from the Solomon R. Guggenheim Museum, New York
Ethel Waters sang "Stormy Weather" at the Cotton Club.
Al Jolson in 1929
Dance in Congo Square in the late 1700s, artist's conception by E. W. Kemble from a century later
A music genre is a conventional category that identifies some pieces of music as belonging to a shared tradition or set of conventions. Genre is to be distinguished from musical form and musical style, although in practice these terms are sometimes used interchangeably.
Two DJs practicing turntablism
Piano accordion: Italian instrument used in several cultures
Metallica performing at the O2 Arena, March 28, 2009
John Scofield at the stage of Energimølla. The concert was part of Kongsberg Jazzfestival and took place on July 6, 2017