“Whether he went it alone or got help, the result was much the same. He didn’t have a lot of moves. You can almost count them on your fingers: the gyrating hips, the bending knees (reversing from inward to outward), the pivoting feet (ditto), the one raised knee, the spins, and, above all, the rotated or raised heel, which is what he gets around on. These steps are generally done staccato.”