>Such a scenario falls outside your 1 vs. 2 design options; is plausible; useful; and fairly easy to program too. I'm sure there will be many others like that.

Yes, I went back and added scenario #3... apparently at the same time you typed your reply. I think my scenario #3 is similar in spirit to what you're warning people about.

>P.S. My profile says I'm a "recovering" engineer, not a "recording" one :)

I have several browser tabs on music recording and I definitely had a dyslexic moment there.