I have a problem which has frustrated me for weeks, and I've failed in all
attempts to find any documentation or discussion on this topic. What would
be suggested as the right way to express tones or phrases that extend
across natural branches of a score, like repeats (possibly with
alternatives) or dal segnos/al codas?
Here is quite an artificial example (which is wrong, by the way, though it
may hopefully illustrate my point, at least to those reasonably imaginative
among the readers.) The result is not what I'd intend/expect:
test = \relative c'' {
c4 a b c ~ \repeat volta 2 { c a\( b c ~ }
\alternative { { c2\) r4 c ~ } { c2\) r } }
}
What I want for the tie in alternative 1 is "clearly" to bind to the first
tone of the volta repeat. Now it binds ("incorrectly", but without any
diagnostic) to the c2 note in alternative 2. Instead, however, a warning is
generated, again "incorrectly", for the ending of the phrasing slur in
alternative 2.
I put the word incorrectly in citation marks, to suggest my expression of
what is merely an opinion of mine, not necessarily the truth (in a Lilypond
sense). I don't think, however, that this problem is in any way fictitional
or uncommon. (I've hopefully not missed an FAQ on this!) Slurs, ties,
dynamics, and so on, could obviously live past branching points. I may well
be that Lilypond doesn't have the necessary contextual information, at
least not at da capo/dal segno/al coda jumps to do the right thing, but as
I don't use any MIDI backend, I'd be happy with any suggested workaround
for generating at least the "correct" score.
/Ch
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