> > better use \once to override the size of the g, or revert the note heads
> > size after the slashed grace is done:
> >
> > \override NoteHead #'font-size = #4 g
> > \slashedGrace a16(
> > \revert NoteHead #'font-size b8)
>
> In this particular case, it would likely be safer to use a \tweak.
> tweaks are not timing-related and thus are impervious to the quirks of
> grace note timing.
>
Thanks for the advice. I guess I'm surprised the revert doesn't happen
immediately. This arose in a more complicated context where I don't think
doing tweaks is relevant; the initial override is from a function where I'm
notating a strum.
strumFn =
#(define-music-function
(parser location strums)
(ly:music?)
#{
\set squashedPosition = #-2
\override NoteHead #'style = #'slash
\override NoteHead #'font-size = #1
\override Beam #'positions = #'(4 . 4)
\override Stem #'length = #8
\override Accidental #'stencil = ##f
\override AccidentalCautionary #'stencil = ##f
\stemUp
#strums
\stemNeutral
\unset squashedPosition
\revert NoteHead #'style
\revert NoteHead #'font-size
\revert Beam #'positions
\revert Stem #'length
\revert Accidental #'stencil
\revert AccidentalCautionary #'stencil
#})
\new Voice = "melody" \with {
\consists "Pitch_squash_engraver"
} {
\strumFn { c8[ c] } \acciaccatura a'16 b'8
}
\version "2.16.0"
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