I was trying to allocate a tweak command to a variable and eventually
managed to get it to work after finding what I needed by a search of the
lilypond-user archives (
http://lists.gnu.org/archive/html/lilypond-user/2011-09/msg00279.html).
However, I was initially misled by the NR having a section named "Using
variables for tweaks ":
http://www.lilypond.org/doc/v2.17/Documentation/learning/using-variables-for-tweaks,
but this actually deals with using variables for overrides, and should
maybe be renamed as "Using variables for overrides".
The code that I got to work is below:
\version "2.17.14"
fia = #(define-music-function
(parser location grb)
(ly:music?)
#{
-\tweak script-priority #-199 -$grb
#})
\relative f'' {
\set fingeringOrientations = #'(left)
<cis-1 a-1 e-1>4
<cis!-1 a-1 e-\tweak script-priority #-199 -1>4
<cis!-1 a-1 e-\fia-1>4
}
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