Kieren and Noeck,
Thanks for the answers.
I worked already with the function \transpose and that works excellent.
My question concerned the use of the tag \transposition.
I wondered why it was used for two specific cases and not for the
general case.
Given both answers it seems that I haven't overlooked anything.
I am not looking for a new scheme function.............
In the example of Kieren it is not clear to me what the added value is
of \transition in trapII and trapIII
Tom
-------------------
Hi Tom,
I have a piece of music written in different transpositions.
I want to transform it to a piece in one transposition.
Likely, a nice Scheme function or engraver could work that out for you.
Unfortunately, that's beyond my [essentially non-existent] Scheme-fu…
In the absence of that type of solution, perhaps something like this would work
for you?
\version "2.19.80"
trapI = \relative c' { a }
trapII = \relative c' { \transposition f' c e g f bes }
trapIII = \relative c' { \transposition bes' c e }
{
\trapI
\trapII
\trapIII
}
{
\trapI
\transpose c f, \trapII
\transpose c bes, \trapIII
}
Ultimately, I would recommend always trying to enter your music in concert
pitch, if possible — you can use tools like Frescobaldi to make this easier.
Hope this helps!
Kieren.
Op 9-1-2018 om 21:34 schreef Noeck:
Hi Tom,
many people confuse \transposition with \transpose. They have different
use cases. Hopefully, \transpose will help you:
http://lilypond.org/doc/v2.19/Documentation/notation/changing-multiple-pitches.html#transpose
Cheers,
Joram
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