New York is increasingly becoming an international jazz brain trust. Musicians still flock to the city from around the globe because the media and history are here. But to stand out, you have to be darn good and then some. Saxophonist and composer Jurgen Hagenlocher and his group are superb. Leap in the Dark (Challenge) has a fusion flavor but resists the temptation to fly off the handle, remaining lyrical and handsome throughout.