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
Tarragona International Dixieland Festival Catalonia. Some journalists have considered it as one of the four most important Dixieland festivals in Europe: Breda (Netherlands), Dresden (Germany), Miskolc (Hungary) and Tarragona (Spain). In fact, Tarragona Dixieland Festival is the best known dixieland festival in the Mediterranean area. Spreading of jazz among wide areas of population so as to find a maximum promotion and diversification of new public. In fact, the Festival reaches schoolchildren from schools in Tarragona and housewives who daily come across the bands in the different markets. Support to local artistic creation, which has already borne fruit, as nowadays the town has its own