Brian,
On Wed, Jun 24, 2015 at 11:45 AM, Brian Barker [via Lilypond] <
[email protected]> wrote:
> At 10:13 24/06/2015 -0700, Abraham Noname wrote:
>
> >On Wed, Jun 24, 2015 at 9:48 AM, Gergely Kontra [via Lilypond] wrote:
> >>I am engraving an orchestral score, and ran into the following: one
> >>staff has volta repeat with alternative ending, but the other staff
> >>has no alternate ending. When I engrave the score for the
> >>conductor, strange thing happens (one staff is shorter, that the
> >>other) I also would like to engrave scores for violin and viola,
> >>and those notes are in separate files. Viola part should not be
> >>aware of the alternative block in violin IMHO. So, how should I
> >>write this piece to be correct? (online version:
> http://lilybin.com/mpasgy/4)
> >>
> >>\version "2.18.2"
> >>\language "deutsch"
> >>
> >>violin = \relative c'' {
> >> \repeat volta 2 { c4 d e f | }
> >> \alternative {
> >> { c2 e | }
> >> { f2 g | }
> >> }
> >> c1
> >>}
> >>
> >>viola = \relative c' {
> >> \repeat volta 2 { c4 d e f |
> >> c2 c }
> >> c1
> >>}
> >>
> >>\score {
> >> <<
> >> \new Staff \violin
> >> \new Staff { \clef alto \viola }
> >> >>
> >> \layout { }
> >>}
> >
> >I believed I answered this already on the bugs list here:
> >
> http://lilypond.1069038.n5.nabble.com/repeat-volta-2-td178090.html#a178094
>
> I don't think you did. You claim there that "looking at it by the raw
> musical content, I see 4 bars for violin and only 3 for viola", but
> you don't explain why you see that as a problem. You are counting
> notation, not actual bars as played. Why does it matter that, say,
> ten played bars might be expressed as only five bars repeated? And
> your expansion of the parts there is incorrect: you have included the
> first time bar the second time around for the violin, suggesting six
> bars played in total, whereas there are actually only five.
>
I didn't mean to claim that I couldn't tell what the repeats infer for the
content. I meant to only explain that LilyPond (without using
\unfoldRepeats) sees the content exactly as the OP coded it: 4 bars in
violin, 3 bars for viola. Thus, when engraved, there's a "missing" bar,
when it would be perfectly obvious to the player what should be done.
> >It got me thinking, though. Why don't you want the viola to have the
> >same \repeat volta 2 { ... } \alternative { { ... } { ... } }
> >structure, too? If you are making individual part scores, then
> >you're going to need it, IMHO.
>
> That's your dispute with the original questioner, who prefers the
> viola players not to see what is going on in other parts. (I happen
> to agree with you: that it is clearer if the identical first and
> second time bars in the viola part are laid out in the same way as in
> other parts. I *think* (she doesn't say this explicitly) that Elaine
> Gould agrees.)
>
> >If that's really not what you want, what should the viola be playing
> >during the violin's 2nd ending?
>
> Oh, that's easy and evident: exactly what is written. The last
> (second) bar of the viola part's repeat coincides with the second
> time bar in the violin part.
>
And that's just fine. But the OP is still going to need to reconcile how
the music is printed for each score:
Conductor:
- Both parts repeat with a 1st and 2nd alternate ending
Violin part:
- Repeat with 1st and 2nd alternate ending
Viola part:
- Repeat with only 1st part
This can be accomplished pretty easily using a \tag in the viola part:
\version "2.18.2"
\language "deutsch"
violin = \relative c'' {
\repeat volta 2 { c4 d e f | }
\alternative {
{ c2 e | }
{ f2 g | }
}
c1
}
viola = \relative c' {
\repeat volta 2 { c4 d e f |
c2 c }
\tag #'conductor { c2 c }
c1
}
\markup "Conductor sees this"
\score {
<<
\new Staff \violin
\new Staff { \clef alto \keepWithTag #'conductor \viola }
>>
\layout { }
}
\markup "Violins see this"
\score {
\new Staff \violin
\layout { }
}
\markup "Violas see this"
\score {
\new Staff { \clef alto \removeWithTag #'conductor \viola }
\layout { }
}
BUT (and this is the issue with saying that the Conductor will call out the
bar number) the bar numbers are *still* out of sync:
[image: Inline image 1]
So, I'll ask again, why not put the same \repeat structure in the viola
section? I don't think it's silly at all to do that. On the other hand, you
could just expand the \repeat in the viola part so there's no question, but
I guess that's something that the OP will need to decide. The other thing
you could do \set Score.BarNumber = #4 and add another \tag that only the
viola sees at that point, but I really don't like that idea since that
doesn't follow standard practice:
[image: Inline image 2]
HTH,
Abraham
image.png (53K)
<http://lilypond.1069038.n5.nabble.com/attachment/178167/0/image.png>
image.png (53K)
<http://lilypond.1069038.n5.nabble.com/attachment/178167/1/image.png>
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