Hi Michael,
>> Clearly, this doesn't require tagging "every note with a different tag" —
>> you simply tag the notes for different editions as you need them.
> Perhaps I should have just answered this point directly. The problem is
> that I don't know what the "different editions" will be. They are to be
> determined in the future, and it is much better to develop them without
> manually changing (even a copy of) the original data from the MS.
Ah… Then I would suggest the following thought experiment, however ungainly it
may seem at first.
If someone with real Scheme-fu could build a function that took a series of
moments and tweaks, you might be able to do something like
ms = \relative e'' {
e4 e c d |
e e e2 |
}
correctionsEditionA = {
\coolSchemeFunction #'(ly:make-moment 0 1) #'pitch #-2
…
}
\markup { EDITION A: }
\score { \new Voice << \ms \correctionsEditionA >> }
correctionsEditionB = {
\coolSchemeFunction #'(ly:make-moment 0 1) #'script #'staccato
…
}
\markup { EDITION B: }
\score { \new Voice << \ms \correctionsEditionB >> }
...
_______________________
Now any editor simply needs to build a series of tweaks which are "overlaid" on
the original — like a transparency of bowings might be overlaid on [and easily
removed from] a violin part — without affecting the original in any way.
This is WAY beyond my ken, so there might be [probably are] many tweaks that
would not be possible.
Hope this helps!
Kieren.
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