I'm trying to eradicate numerous "Impossible or ambiguous (de)crescendo
in MIDI" errors from a large score, and two problems arise:
1) I'm finding it hard to locate the source of these errors. So far,
I've tried:
* searching the source for all dynamic changes ending with \! and
converting this to -\omit\mf (or some other suitable dynamic;
* then sort-of-bisecting the problem by suppressing each part in
turn,
* then visually inspecting the source for unterminated crescendos
and decrescendos.
But it is still not easy to run the errors to ground.
Is there some better tactic for locating their cause? (I note some
previous discussion on this list[1], and issue 3945[2])
2) The second problem arose when I finally tracked down one such error.
Here's the minimal example:
\version "2.19.35"
music = \relative {
c''2\p\< c |
c1\fz\>%-\omit\mf |
c\p |
}
\score {
\music
}
\score {
\music
\midi {}
}
As it stands, this gives two of these error messages. If I try to
suppress them by uncommenting "-\omit/mf" I get the following errors in
addition:
5:10: warning: Two simultaneous absolute-dynamic events, junking
this one
c1\fz\>
-\omit\mf |
5:5: warning: Previous absolute-dynamic event here
c1
\fz\>-\omit\mf |
Is there a magic spell to soothe lilypond in these circumstances? It
might seem like nit-picking, but there are so many of these errors in
the score that they are obscuring other, more important, messages.
Notes:
[1] For example,
https://lists.gnu.org/archive/html/lilypond-user/2014-05/msg00648.html
{2} At the time of writing, this may be found at
https://sourceforge.net/p/testlilyissues/issues/3945/
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