Even for non-drum instruments, I am wondering how you handle multiple parts of the same instrument.
For example, if you have a piano sound, you might want to split right and left hand parts into separate tracks (or layers) for easier MIDI editing. And ditto for a french horn section, or a violin section. In each case, it's the same instrument, but different parts for it.
It seems you have a few options:
1) all parts on one track, separated via track layers
-- PRO: requires fewest tracks and least memory/cpu
-- CON: all parts share pan/volume controls
-- CON: editing individual layers isn't as easy as editing separate tracks
2) each part gets its own track, but all parts use same instrument (and MIDI channel) within the single kontakt instance
-- PRO: easier to edit than layers
-- CON: all parts share pan/volume controls
3) each part gets its own track and its own instrument/channel within the single kontakt instance
-- PRO: independent pan/volume controls
-- CON: increased memory/cpu usage
-- CON: need to coordinate patch or effect changes between parts
-- CON: need to coordinate midi channels between sonar and kontakt
4) each part gets its own track and its own kontakt instance
-- PRO: independent pan/volume controls
-- PRO: no need to scroll through instruments within kontakt instance
-- PRO: no need to coordinate midi channels between sonar and kontakt
-- CON: greatest memory/cpu usage
-- CON: need to coordinate patch or effect changes between parts
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Are there other pros and cons that I am missing?
Which strategy do you end up using?