On Tue, 15 Jan 2013 19:41:00 -0800, Kieren MacMillan
<[email protected]> wrote:
Boo. I really wish Lily would Do The Right Thing™ with regard to transposing
parts. I want [...]
perhaps I'll put together an official feature request…
Almost certainly, \instrumentSwitch was written in response to a similar
request.
The basic Lilypond structures can do quite a lot by themselves, see below.
It would help immensely if I could at least say
\tag #'part { \transpose c d }
c4 d e f
and then use the tag filter to leave the transposition out of the C-score
In LilyPond \transpose c d {...} is an action, acting immediately on the music
in {...}
LilyPond does not store the name of the action separately from the music it is
acting upon, so it does not provide a way to remove the action and leave the
music.
But you can store the music in a variable, and perform the action of
transposing only where you need it.
music = \relative c' {
\transposition c
\key bes \major
bes4 c d es }
clar = \music
flute = \music % A bit silly, but everything is clear if they play in unison
\new Staff { \flute } % Flute part
\new Staff { \transpose bes c' { \clar } } % Clarinet part, transpose for
printing
\score { % Score in Concert Pitch
<< \new Staff \flute
\new Staff \clar >> }
You might see that people often define their variables to store the music in
pitches as-written for the different instruments. The manuals encourage
storing music in concert pitch, though, which is probably less confusing, at
least until you have used LilyPond for a while.
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