The Big “Four” does not reflect the number of musicians in the band but refers to the characteristic second-line beat of New Orleans music. And that’s just a little hint for what to expect. TB4Q is generally rooted in New Orleans Also The knowledge of the jazz history allowed TB4Q to draw on many elements of the music's past, from ragtime to swing and free jazz ,free-style grooves and a lot of spontaneity and you’ll get TB4Q at full speed .