Chicago jazz resides at the midpoint between these two sensibilities: it still retains hints of the oom-pah, oom-pah strut that jazz inherited from marching bands and ragtime, but this back-and-forth swaying rhythm is far less pronounced than we heard in the early New Orleans bands. The musicians clearly have new notions about the essence of swing, and as a result the music unabashedly moves ahead in discrete four-beat measures.
