On Wed, 19 Oct 2016 08:14:36 -0400, jonetsu wrote:
 On Tue, 18 Oct 2016 22:16:38 -0400 Robert Edge wrote:
  I suspect the first guy that thought about a
wagon had something
 specific he needed to move.
 You don't seem to have a clear problem you are trying to solve.   
Two aspects were clearly mentioned.  Separation and 3D location.  Two
very basic mixing tasks. 
3D location a basic mixing task? At best I would call panning a basic
mixing task.