It is clear and contrasted for sure, and the expression on the girl, coupled with the odd moves of the person in the foreground, seem to work when wrapped up in the title. Somehow it does not seem "candid enough" it looks too, staged, almost as if you could never be that close to the action, that much in the scene for the subjects not to notice, or perhaps the genious of the shot is that they don't, because you are dancing right along...