Trevor Daniels wrote Wednesday, March 25, 2015 9:44 PM
> Nathan Ho wrote Wednesday, March 25, 2015 9:01 AM
>
>> On Tue, Mar 24, 2015 at 7:42 PM, Peter Heisen
>> <writepeterhei...@gmail.com> wrote:
>>>
>>> The LilyPond notation reference, section 2.1.2,
>>> (http://www.lilypond.org/doc/v2.18/Documentation/notation/techniques-specific-to-lyrics)
>>> contains the following example of how to use lyrics in concert with repeat
>>> alternative endings. It compiles fine in version 2.18.2, showing both the
>>> first and second endings complete with lyrics:
>>>
>>> [...]
>>>
>>> In the following modified example, the first beat of each ending has been
>>> changed to a rest, and a syllable removed from the lyrics to match. Now
>>> when compiled, it shows two first endings and two second endings.?
>>
>> It displays properly if you remove the \repeat ... \alternative
>> structure from the lyrics:
> ...
>> The reason is that the lyric code creates first and second endings
>> that line themselves up with the first lyric event they see, and it's
>> not aware of the rests going on in the Staff. So you get two
>> misaligned volta repeat systems, causing the funky output.
>>
>> I'm not entirely sure how to enter the structure into the lyrics in a
>> way that lines up with the staff. Either way, I feel that the code in
>> the documentation is misleading.
>
> Unfortunately there is no clear recipe for entering lyrics and
> repeats which will work in all circumstances, as all the suggestions
> are work-arounds due to there being no well-defined interface in
> LilyPond for handling repeats in lyrics. The presence of rests is
> a particular problem which does not figure in the examples in the
> Notation Reference. Maybe it should, but the doc writers are
> always wary of increasing the length of these already very large
> manuals.
I hesitate to suggest this as it is such a hack, but if you need
to use \unfoldRepeats with lyrics and have \alternative blocks
which begin with rests, here is one way to achieve it: overlay the
rest with a hidden note and insert a skip in the lyrics using \null,
like this:
lyrest = << { \once \hideNotes b }
{ \new Voice { b\rest } }
>>
\score {
<<
\new Staff {
\time 2/4
\new Voice = "melody" {
\relative c'' {
a4 a a a
\repeat volta 2 { b4 b }
\alternative {
{ \lyrest b }
{ \lyrest b }
}
}
}
}
\new Lyrics {
\lyricsto "melody" {
Not re -- peat -- ed.
\repeat volta 2 { Re -- peat }
\alternative { {
\markup \null twice. } {
\markup \null twice. } }
}
}
>>
}
But there's no way I'm going to put this in the manual!
What I shall do, however, is add a warning about using
repeat structures in lyrics when the \alternatives start
with a rest.
Trevor
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