The Origins of Jazz - Jazz Observer
The beginnings of jazz actually date back to the 19th century. New Orleans was home to Congo Square, a space where slaves would gather and play music. That ...
cool jazz
Hard bop emerged in the mid-1950s, incorporating more features that you usually find in gospel music, R&B, and blues. It favored medium tempos over quicker ones, as it worked to bring soul sounds back into the genre, something some felt was lacking in <anchor>cool jazz</anchor> and some other emerging subgenres. It also maintained enough space for free expression but balanced that with a sense of groove, making it more danceable than subgenres like bebop.