Dixieland funk, hip hop, and rap. The M-BASE (Multi-Basic Array of Synchronous Extemporization) improvisational concept used by ensembles including Cassandra Wilson, Geri Allen, Greg Osby, Steve Coleman, Graham Haynes, Kevin Eubanks and others is an extension of the polyphonic improvisation of New Orleans jazz. Some of the artists historically identified with Dixieland are mentioned in List of jazz musicians. Some of the best-selling and famous Dixieland artists of the post-WWII era: There are several active periodicals devoted to traditional jazz: "The Mississippi Rag", the "Jazz Rambler", and the "American Rag" published in the US; and to an extent "Jazz Journal" published
Jazz recordings featuring "jazz" in the title or band name, but most were ragtime or novelty records rather than jazz. In February 1918 during World War I, James Reese Europe's "Hellfighters" infantry band took ragtime to Europe, then on their return recorded Dixieland standards including "Darktown Strutters' Ball". In the northeastern United States, a "hot" style of playing ragtime had developed, notably James Reese Europe's symphonic Clef Club orchestra in New York City, which played a benefit concert at Carnegie Hall in 1912. The Baltimore rag style of Eubie Blake influenced James P. Johnson's development of stride piano playing, in which