Actually, Greg Stephens(to distinguish you from our other Greg), the question was, how can tell I if something is modal, and I gave a rule of thumb(it was a good question, too)--the explanation of what "modal" means is not very useful for most people, because it is just a word that they have heard, and they don't have a frame of reference--why would most people say that "Old Joe Clark" is a modal tune, and what would that mean to them? What difference does it make to them?