 the knobs will work independently <br  />
 • when the LINK button is depressed, all knobs in the sub-controller's list will move together <br  />
 • any other GUI control that shares the same control ID (tag) as the knobs will also update (see the original figure - the text edit controls also update as well) <br  />
 <br  />
 Notice that we are relying on there being one CTextButton - you can certainly change that part of the paradigm. Sub-controllers are highly flexible! But for our design we will be 