In setting an a cappella SATB piece and the (generated) rehearsal piano
part, I would like to create two PDF files with different linebreaks.
Each part has many occurrences of a variable "midBarBreak" defined as { \bar
"" \break } so as to break up the vocal lines at the end of the lines of the
set verse. This works just fine.
Unfortunately, lilypond seems to process variables upon first reading them,
so I can't use the old TeX trick of \let \this \that; nor does \noexpand
have a lilypond cognate that I can find. Nor yet do I see any way to
incorporate logic into the variable (e.g., if in ChoirStaff, break; if in
PianoStaff, ignore). I suspect it's there, somewhere, but I'm not enough of
a schemer to see how to use, e.g., ly:context-parent.
So, since TeXish methods don't work, I thought I'd ask if there's a
lilypondish way to do this.
Thanks in advance,
Fred
--
The things that make us happy make us wise.
-- John Crowley, Little, Big
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