I am having trouble subdividing "grace notes" (they look like grace notes
but aren't created with \grace) into three and four subgroups of 32nd
notes. I've attached images of what I need to do and what I am getting
with the code below:
\version "2.19.15"
\language "english"
staffUp = \change Staff = "upper"
staffDown = \change Staff = "lower"
graceOn = {
\teeny
\override Stem.no-stem-extend = ##t
\override Stem.length-fraction = #0.7
}
graceOff = {
\normalsize
\revert Stem.no-stem-extend
\revert Stem.length-fraction
}
subGroupThirtySecond = {
\set subdivideBeams = ##t
\set baseMoment = #(ly:make-moment 1/32)
\set beatStructure = #'(8 8)
}
subGroupOff = {
\set subdivideBeams = ##f
}
global = {
\key c \major
\time 2/4
}
upperStaffTop = \relative c'' {
b8 \rest
<<
{
\voiceOne \staffDown fs,= _( [ \staffUp d''16-. ] )
}
\new Voice {
\voiceTwo
\subGroupThirtySecond
\scaleDurations 4/11 {
\staffDown \stemUp fs,,=16. \graceOn gs32 bf c d
\staffUp \stemDown fs gs bf c
}
\subGroupOff
}
>>
d16 \rest d8 \rest |
}
upperStaffBottom = \relative c' {
}
lowerStaffTop = \relative c' {
}
lowerStaffBottom = \relative c, {
bf4.-- bf'8-. |
}
%%
%% Below is boilerplate
%%
upperStaff = {
\clef treble
\global
<<
\new Voice { \voiceOne \upperStaffTop }
\new Voice { \voiceTwo \upperStaffBottom }
>>
}
lowerStaff = {
\clef bass
\global
<<
\new Voice { \voiceThree \lowerStaffTop }
\new Voice { \voiceFour \lowerStaffBottom }
>>
}
\score {
\new PianoStaff <<
\new Staff = "upper" \upperStaff
\new Staff = "lower" \lowerStaff
>>
\layout{
}
}
Knute Snortum
(via Gmail)
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