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Re: a script / tool for transposing a lilypond staff / source file by a


From: Daryna Baikadamova
Subject: Re: a script / tool for transposing a lilypond staff / source file by a given interval and output result as a new file
Date: Sun, 7 Sep 2008 19:40:00 +1200



On Sun, Sep 7, 2008 at 6:47 PM, James E. Bailey <address@hidden> wrote:

Am 07.09.2008 um 06:10 schrieb Daryna Baikadamova:

when we enter new scores, should we enter in concert pitch?
I think you should enter the score in whatever pitch is easiest. If your source score is transposed, then it's probably going to be easier to type it into a computer exactly as shown, transposed. If your source score is concert pitch, then it's going to be easier to type it into a computer in concert pitch. otherwise, you run the possibility of introducing errors into a score that will not easily be found.


You suggested that it is not a good idea to use \displayLilyMusic because it only outputs absolute pitches, not relative, thus making the resultant score hard to maintain by humans.  However my situation is:
- the parts were not entered in concert pitch
- the parts are in pitches that are not common nowadays.  (e.g. in my score, trumpet in D, horn in E and clarinet in A, which I am afraid not many members in an (youth) orchestra will have.  Therefore I would also like to produce current transpositions in parts such as trumpet in Bb, horn in F and clarinet in Bb, or better, to produce pdf parts scores with different transpositions from one lilypond file.  What is the best way?
\transpose a b


Would it be better for me to just annotate the original score (clarinet in A) by stating the transposition key of the instrument (\transposition), then for each version of parts, I use \transpose x y to transpose to the desired key in each case?

Or should I convert the score to concert pitch using \displayLilyMusic and then use \transpose x y in each case?
The easiest solution would probably just be to \transpose each part to what a modern orchestra uses, that's not uncommon to see a Clarinet in A part that's written in Bb for the sake of a modern orchestra where players may not have an A clarinet.


Just my thoughts.

So do you mean that I should leave the original score alone (i.e. *not* to create a concert pitch version of the part by using \displayLilyMusic \transpose) and in the driver lilypond file that uses the score to print the separate part, I use:

\transpose old_transpose_key new_transpose_key

to output the part with the desired pitch?

Thanks!

Daryna


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