Re: shifted slur when the staves splitted
Reply #3 –
OK, seeing as I've been asked...
First, I agree with Mike.
In more detail:
I don't think the slur has anything to do with the Soprano part. I think it belongs solely to the Alto part and now you've split the parts the restchord on beat 2 should become just a note, and the following quaver rest should be deleted.
In the Soprano part, a quaver rest has appeared. This should not be, that rest should be the quaver Bb from the original staff.
I believe we are seeing artifacts from how NWC stores slur information, and how "Parts" works. I also think the "No Single" parameter may have been used when it shouldn't.
Find attached my *raw results using "Parts" but using either "Retain Top" or "Retain Bottom" parameters as appropriate for each staff. Please note that it seems to reflect my assessment above.
I have not edited the resulting, split staves. There is some tidy-up needed if it were to be used.