Does anyone have experience controlling Native using MIDI commands, particularly on a Mac using Mainstage, but really with any software that allows plugins.  I cannot get Native to respond in any way to MIDI.  I've tried Program Changes, Control Changes.  All I really want to do is change patches within Native, and for a few songs to change snapshots within the patch.  I've tried Native in MainStage, Logic Pro X, Reaper (Mac and Windows), and QLab (the program I really want to use for this), but