input/new/marking-notes-of-spoken-parts-with-a-cross-on-the-stem.ly

   1 \version "2.12.0"
   2
   3 \header {
   4   lsrtags = "editorial-annotations, vocal-music"
   5
   6   texidoc = "
   7 This example shows how to put crosses on stems. Mark the beginning
   8 of a spoken section with the @code{\\speakOn} keyword, and end it
   9 with the @code{\\speakOff} keyword.
  10 "
  11   doctitle = "Marking notes of spoken parts with a cross on the stem"
  12 }
  13
  14 speakOn = {
  15   \override Stem #'stencil = #(lambda (grob)
  16     (let* ((x-parent (ly:grob-parent grob X))
  17            (is-rest? (ly:grob? (ly:grob-object x-parent 'rest))))
  18       (if is-rest?
  19         empty-stencil
  20         (ly:stencil-combine-at-edge
  21           (ly:stem::print grob)
  22           Y
  23           (- (ly:grob-property grob 'direction))
  24           (grob-interpret-markup grob
  25             (markup #:hspace -1.025 #:fontsize -4
  26               #:musicglyph "noteheads.s2cross"))
  27           -2.3 0))))
  28 }
  29
  30 speakOff = {
  31   \revert Stem #'stencil
  32 }
  33
  34 \score {
  35   \new Staff {
  36     \relative c'' {
  37       a4 b a c
  38       \speakOn
  39       g4 f r g
  40       b4 r d e
  41       \speakOff
  42       c4 a g f
  43     }
  44   }
  45 }