What is the best jazz band in world?

The term "best" is subjective and there are many great jazz bands with different styles and influences. Some well-known and widely respected jazz bands that are often considered among the best include:

- Duke Ellington and His Orchestra

- Miles Davis Quintet

- Thelonious Monk Quartet

- John Coltrane Quartet

- Dave Brubeck Quartet

- Art Blakey and the Jazz Messengers

- Stan Getz Quartet

- Charlie Parker and his various groups

- Chick Corea and Return to Forever

- Weather Report

Each of these bands made significant contributions to the development and evolution of jazz, leaving a lasting impact on the genre. They showcased exceptional musicianship, innovation, and artistry that continues to inspire and influence jazz musicians worldwide.