I sometimes think we all get caught up in being able to pin a name on something and we get lost on what is trying to be said. Putting a name on something means different things to many people. From what I gather the OP would like a fuller fatter tone as he goes above the staff. But there again Im putting a NAME on something. For me there is a: Thin sound up top Brittle sound up top Fat sound up top Then you get into PROJECTION which becomes a whole new subject.