Its lilts and grooves can feel like nostalgic rhythms from a bygone era, but jazz remains a thriving contemporary art form — and its proponents still flock to New York hoping to catch a break. Despite a booming rents that…

Its lilts and grooves can feel like nostalgic rhythms from a bygone era, but jazz remains a thriving contemporary art form — and its proponents still flock to New York hoping to catch a break. Despite a booming rents that…