This is all getting a little OT now, I think. I'm clear on what the OP wants, but have still not got my head around two things:
- If you change MIDI channel within the player (assuming that one could) wouldn't that mean that the first note on this channel change would always be a start note, and therefore there would be no transition material heard when using legato or reps?
- For basic use I can see that using the MIDI channel change might be efficient, but my String template (for example) has 44 articulations loaded. I wouldn't want to be limited to only 16 of these. How would one get around this?