Am Sa., 17. Apr. 2021 um 14:15 Uhr schrieb Lukas-Fabian Moser <l...@gmx.de>:
> Hi Federico,
> Am 17.04.21 um 01:10 schrieb Federico Sarudiansky:
>
> Hi,
>
> in addition to that, I've on occations had to engrave
> [image: image.png]
>
> Yes, that would have been the follow-up to my question: This is even
> worse, for LilyPond turns
>
> \version "2.22.0"
>
> { <c' cis' d'> }
>
> into
>
> But there are interesting snippets and postings for that:
>
>
> https://lilypond.org/doc/v2.22/Documentation/snippets/chords.html#chords-displaying-complex-chords
> https://lists.gnu.org/archive/html/lilypond-user/2012-07/msg00336.html
> https://archiv.lilypondforum.de/index.php/topic,1176.msg6932.html#msg6932
>
> In particular, Harm's coding in the third link (although marked for
> version 2.16.0) still compiles with 2.22
>
> Lukas
>
>
> Somewhere on the list there might be a newer coding of mine.
Anyway, I took the opportunity to rework it.
See attached.
I'm pretty sure there are still bugs in it, please report them here on the
list.
Cheers,
Harm
\version "2.23.0"
%#(ly:set-option 'debug-skylines #t)
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Distribute Stem's NoteHeads and draw a new Stem connecting them all
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
#(define (distribute-stem-note-heads note-head-shifts)
(lambda (grob)
"Takes the note-heads from a @code{Stem} grob and applies offsets in
X-direction taken from @var{note-head-shifts}. If accidentals are present they
are moved along with their corresponding note-head.
Preserves user-generated overrides/tweaks for @code{X-offset} of NoteColumn
and/or Accidentals.
"
(let* ((nhds-array (ly:grob-object grob 'note-heads))
(nhds-list
(if (ly:grob-array? nhds-array)
(ly:grob-array->list nhds-array)
'()))
;; NoteColumn
(nc (ly:grob-parent grob X))
(nc-x-off (ly:grob-property nc 'X-offset 0))
;; AccidentalPlacement of the NoteColumn
(acc-col (ly:note-column-accidentals nc))
;; Accidentals of each NoteHead
(accidental-grobs
(map
(lambda (nhd) (ly:grob-object nhd 'accidental-grob))
nhds-list)))
;; Move note-heads in X-direction, looking at 'note-head-shifts'
(for-each
(lambda (nhd nhd-shift)
(ly:grob-translate-axis! nhd
nhd-shift
X))
nhds-list
note-head-shifts)
;; If Accidentals present, move along with their NoteHeads
(if (ly:grob? acc-col)
(for-each
(lambda (nhd-shift acc)
;; AccidentalColumn may be present, although not every
;; NoteHead is altered, thus the need to check for Accidental
;; as well
(if (ly:grob? acc)
(let* ((acc-col-right-padding
(ly:grob-property acc-col 'right-padding))
(details (ly:grob-property acc 'details))
;; Read and later apply acc's X-offset to offer the
;; user a possibility to fine-tune appearance.
;; Directly using (ly:grob-property acc 'X-offset)
;; disturbs in this stage, thus we read 'X-offset from
;; (ly:grob-properties acc).
(acc-X-off
(assoc-get 'single-x-offset details 0))
(alteration
(ly:pitch-alteration
(ly:event-property (event-cause acc) 'pitch))))
(ly:grob-translate-axis!
acc
(- (+ nhd-shift nc-x-off acc-X-off)
;; 1.1 is a little more then the width of crotchet
;; other values don't look as good
;; TODO make it a property of Stem?
(case alteration
((0) 0.8)
((-1/2) 0.8)
((1/2) 1.1)
((-1) 1.4)
((1) 1.1)
(else 1.1))
acc-col-right-padding)
X))))
note-head-shifts
accidental-grobs))
#t)))
#(define (splitted-stem-stencil note-head-shifts stem-pos . rest)
(lambda (grob)
"Returns a stem-stencil.
There will be a vertical line, drawn from the end of the stem to a
point where all other lines (drawn from note-heads to this point) will meet.
@var{stem-pos}, a number, will determine where the vertical part happens.
A value of zero usually means above the first note-head. If set @code{#f}
the default stem-stencil is taken.
The length of the vertical part is customizable by an override for
@code{Stem.details.splitted-stem-vertical-length} defaulting to '(1 0 2), with
values for beamed-stem, flagged-stem, stem-only.
Preserves user-generated overrides for @code{NoteColumn.X-offset}.
If @var{rest} is set it should contain a number-list indicating for which
@code{NoteHead} a new calculated @code{Stem} is excluded. This list follows
the entered order of the @code{Stem} @code{NoteHead} grobs."
(let* ((default-stil (ly:stem::print grob))
(nc (ly:grob-parent grob X))
(rest? (ly:grob? (ly:grob-object nc 'rest))))
(if (or rest? (not stem-pos) (< (ly:grob-property grob 'duration-log) 1))
;; use default for whole and longer notes, if stem-pos is set #f or
;; for rests
default-stil
(let* ((pc (ly:item-get-column grob))
(nc-x-off (ly:grob-property nc 'X-offset 0))
(dir (ly:grob-property grob 'direction))
(thick (* (ly:grob-property grob 'thickness)
(ly:staff-symbol-line-thickness grob)))
(staff-space (ly:staff-symbol-staff-space grob))
(half-space (* 0.5 staff-space))
(details (ly:grob-property grob 'details))
;; How long should be the vertical part of the Stem?
;; Look at Stem.details.splitted-stem-vertical-length which
;; should be a list containing three values for:
;; beamed-stem, flagged-stem, stem-only
(splitted-stem-vertical-lengths
(assoc-get 'splitted-stem-vertical-length details '(1 0 2)))
(stem-length-fraction
(ly:grob-property grob 'length-fraction 1))
(no-new-stems
(if (pair? rest)
(car rest)
'()))
(shift-min (apply min note-head-shifts))
;(shift-max (apply max note-head-shifts))
;(shift-amount (+ (abs shift-max) (abs shift-min)))
(beam (ly:grob-object grob 'beam))
(beam-count
(if (ly:grob? beam)
(- (ly:grob-property grob 'duration-log) 2)
0))
(beam-thick
(if (ly:grob? beam)
(ly:grob-property beam 'beam-thickness)
0))
(flag (ly:grob-object grob 'flag))
(flag-y-ext
(if (ly:grob? flag)
(ly:grob-extent flag flag Y)
'(+inf.0 . -inf.0)))
(flag-length
(if (interval-sane? flag-y-ext)
(interval-length flag-y-ext)
0))
(note-heads-array (ly:grob-object grob 'note-heads))
(note-heads-list
(if (ly:grob-array? note-heads-array)
(ly:grob-array->list note-heads-array)
'()))
(note-heads-staff-pos
(map
(lambda (nhd) (ly:grob-property nhd 'staff-position))
note-heads-list))
(note-heads-stem-attachments
(map
(lambda (nhd) (ly:grob-property nhd 'stem-attachment))
note-heads-list))
(stem-stil-y-ext
;;;; TODO
;; Why not
;; (ordered-cons
;; (/ (ly:stem::calc-stem-begin-position grob) 2)
;; (/ (ly:stem::calc-stem-end-position grob) 2))
;;;; or:
;; (ly:grob-robust-relative-extent
;; grob (ly:grob-common-refpoint grob pc Y) Y)
;;;; ??
(ly:stencil-extent default-stil Y))
;; Calculate the difference from default-stem-end-coordinate to
;; the various note-head's staff-positions.
;; Applied later, while doing the various stem-lines
(y-corr-values
(map
(lambda (nhd-stem-attchment nhd-staff-pos)
(-
(if (positive? dir)
(car stem-stil-y-ext)
(cdr stem-stil-y-ext))
(+ (/ nhd-staff-pos 2)
(if (ly:version? > '(2 22 0))
(cdr nhd-stem-attchment)
(* dir (cdr nhd-stem-attchment))))))
note-heads-stem-attachments
note-heads-staff-pos))
;; first note-head X-coord
(x
(-
(ly:grob-relative-coordinate (car note-heads-list) pc X)
nc-x-off))
;; Make sure the stem-melting point is above/below Flag/Beam
;; Relying on details.splitted-stem-vertical-lengths, a list
;; with three entries
(length-vertical-stem
(if (>= (length splitted-stem-vertical-lengths) 3)
(cond ((ly:grob? beam)
(+ (list-ref splitted-stem-vertical-lengths 0)
(/ (+ (* 2 beam-thick)
(* beam-count stem-length-fraction)) 2)))
((ly:grob? flag)
(+ (list-ref splitted-stem-vertical-lengths 1)
flag-length))
(else (list-ref splitted-stem-vertical-lengths 2)))
(begin
(ly:warning
"splitted-stem-vertical-lengths needs 3 entries: ~a, ignoring"
splitted-stem-vertical-lengths)
0))))
;;;; Move possible Flag/Beam
(cond ((ly:grob? beam)
(let* ((stems (ly:grob-object beam 'stems))
;; TODO Is 1 the correct fallback value?
;; Need to check with ly:grob-array? at all?
(stem-count
(if (ly:grob-array? stems)
(ly:grob-array-length stems)
1)))
;; TODO Mmhh, this will translate the beam a little bit
;; every time a new stem is encountered.
;; How to do it better?
(ly:grob-translate-axis!
beam
(/ (+ shift-min stem-pos) stem-count)
X)))
;; If a beam is printed flag-grobs are "turned down", but
;; not suicided, thus check flags _after_ beam.
((ly:grob? flag)
(ly:grob-translate-axis!
flag
(+ (apply min note-head-shifts) (* 1 stem-pos))
X)))
;;;; Construct the new stem-stencil
;; Modify note-heads-list to exclude vertain note-heads from getting
;; a new Stem
(for-each
(lambda (i)
(list-set! note-heads-list (1- i) #f))
no-new-stems)
(apply
ly:stencil-add
;; A vertical line-stencil drawn from a melting-point to
;; Flag, Beam or default-end
(make-line-stencil
thick
;; x-start
(+ stem-pos x)
;; y-start
(+ (* dir -1 length-vertical-stem)
(if (positive? dir)
(cdr stem-stil-y-ext)
(car stem-stil-y-ext)))
;; x-end
(+ stem-pos x)
;; y-end
(if (positive? dir)
(cdr stem-stil-y-ext)
(car stem-stil-y-ext)))
;; A list of line-stencils, drawn from note-head to a
;; melting-point
(map
(lambda (y-corr nh)
(if (ly:grob? nh)
(let ((my-x (car (ly:grob-extent nh pc X))))
(make-line-stencil
thick
;; x-start
(+ stem-pos x)
;; y-start
(+ (* dir -1 length-vertical-stem)
(if (positive? dir)
(cdr stem-stil-y-ext)
(car stem-stil-y-ext)))
;; x-end
(- my-x nc-x-off)
;; y-end
(- (if (positive? dir)
(car stem-stil-y-ext)
(cdr stem-stil-y-ext))
y-corr)))
empty-stencil))
y-corr-values
note-heads-list)))))))
distributeNoteHeads =
#(define-music-function (no-new-stem stem-pos nhd-shifts)
((list? '()) boolean-or-number? list?)
"Returns overrides to distribute note-heads of a stem, according to
@var{nhd-shifts}, and to get a new stem-stencil connecting all those note-heads,
looking at @var{stem-pos}, which may be set @code{#f} to keep default.
The provided new stem-stencil frequently needs to be longer, thus larger values
for @code{beamed-lengths} and @code{lengths} are supplied. Those can be
modified by overrides for @code{Stem.length} or @code{Beam.positions}."
#{
\temporary \override Stem.details.beamed-lengths = #'(5.25 5.25 5.25)
\temporary \override Stem.details.lengths = #'(4.5 5.5 6.0 7.0 8.0 9.0)
\temporary \override Stem.positioning-done =
#(distribute-stem-note-heads nhd-shifts)
\temporary \override Stem.stencil =
#(splitted-stem-stencil nhd-shifts stem-pos no-new-stem)
\temporary \override Stem.vertical-skylines =
#grob::unpure-vertical-skylines-from-stencil
#})
%% Revert settings of \distributeNoteHeads
revertDistributeNoteHeads = {
\revert Stem.details.beamed-lengths
\revert Stem.details.lengths
\revert Stem.positioning-done
\revert Stem.stencil
\revert Stem.vertical-skylines
}
%%%%%%%%%%%%%%%%%%%%%%%
%% EXAMPLES
%%%%%%%%%%%%%%%%%%%%%%%
\paper {
%ragged-right = ##t
indent = 0
}
\layout {
\accidentalStyle forget
\context {
\Score
\override RehearsalMark.self-alignment-X = #LEFT
}
}
\markup
\rounded-box
\rounded-box
\fill-line { \fontsize #5 "USAGE" }
\markup
\rounded-box
\fill-line {
\column {
"1. moved heads, no Stem-tweaking"
"2. split Stem, main Stem left"
"3. accidentals follow"
"4. main Stem at other positions"
"5. exclude certain new Stem-part"
"6. move Accidentals, lengthen Stem, move melting point"
}
\null
}
{
\mark "1."
\distributeNoteHeads ##f #'(-2 1)
<f'' f''>4
\distributeNoteHeads ##f #'(0 2)
q8 8
\distributeNoteHeads ##f #'(-2 0)
8 r
r4
\mark "2."
\distributeNoteHeads #0 #'(0 2)
<f'' f''>4
q8 8
8 r
r4
\mark "3."
\distributeNoteHeads #0 #'(0 3)
<f''! fis''>4
<f''! fis''>8 <f''! fis''>
<f''! fis''> r
r4
\mark "4.a"
\distributeNoteHeads #3 #'(0 3)
<f''! fis''>4
<f''! fis''>8 <f''! fis''>
<f''! fis''> r
r4
\mark "4.b"
\distributeNoteHeads #1.6 #'(-2 1)
<f''! fis''>4
<f''! fis''>8 <f''! fis''>
<f''! fis''> r
r4
\mark "4.c"
\distributeNoteHeads #3 #'(-3 0)
<f''! fis''>4
<f''! fis''>8 <f''! fis''>
<f''! fis''> r
r4
\mark "5. exclude certain new Stem-part"
\distributeNoteHeads #3 #'(-3 0 3)
<f''! fes'' fis''>4
\distributeNoteHeads #'(1) #3 #'(-3 0 3)
<f''! fes'' fis''>4
\distributeNoteHeads #'(2) #3 #'(-3 0 3)
<f''! fes'' fis''>4
\distributeNoteHeads #'(3) #3 #'(-3 0 3)
<f''! fes'' fis''>4
\mark "6. move Accidentals. lengthen Stem, move melting point"
\distributeNoteHeads #3 #'(-3 0 4)
<f''! fes'' \tweak Accidental.details.single-x-offset #-1 fis''>4
\override Stem.length = 12
<f''! fes'' fis''>4
\once \override Stem.details.splitted-stem-vertical-length =
%% Default for: beamed-stem, flagged-stem, stem-only
%% '(1 0 2)
#'(1 0 4)
<f''! fes'' fis''>4
r
\bar "|."
}
\markup
\rounded-box
\rounded-box
\fill-line {
"other examples"
\null
}
{
\voiceTwo
\distributeNoteHeads #'(2) #0 #'(0 -1.2 2.6 0)
<e'' f''! fis'' e'''!>4
\distributeNoteHeads #'(2) #0 #'(0 -1.2 2.6 0)
<
\tweak Accidental.details.single-x-offset #-1.2
e''!
\tweak Accidental.details.single-x-offset #-1
f''!
fis'' e'''!
>4
\once \override Stem.length = #25
%% Shorten the vertical part after the melting point
\once \override Stem.details.splitted-stem-vertical-length =
%% Default for: beamed-stem, flagged-stem, stem-only
%% '(1 0 2)
#'(1 0 5)
\distributeNoteHeads #3.8 #'(-4.5 -2 2 1)
<e'' f''! fis'' e'''!>64
r64
}
{
\cadenzaOn
\distributeNoteHeads #0 #'(0 0 2.8)
<b des' dis' f'>2
\bar "||"
<ees' ees'' e''!>8[
<ees' ees'' e''!>]
\bar "||"
\distributeNoteHeads #0 #'(0 3)
<f'' fisis''>4
\once \override Stem.length = 11
\once \override Stem.details.splitted-stem-vertical-length =
%% Default for: beamed-stem, flagged-stem, stem-only
%% '(1 0 2)
#'(1 0 3)
\distributeNoteHeads #1.9 #'(0 3)
<f'' fisis''>4
\bar "||"
\once \override Stem.length = 8
\once \override Stem.details.splitted-stem-vertical-length =
%% Default for: beamed-stem, flagged-stem, stem-only
%% '(1 0 2)
#'(1 -1 3)
\distributeNoteHeads #3 #'(0 3)
<f'' fis''>8
\distributeNoteHeads #1.9 #'(0 3)
<f'' fis''>
\bar "||"
\distributeNoteHeads #0.8 #'(0 2.3)
<
ees'
\tweak Accidental.details.single-x-offset #0.2
\tweak Accidental.font-size #-3 e'!
>8
\bar "||"
\distributeNoteHeads #-1.2 #'(0 -3 3 -6 6 -9 9 -12)
<cis' des' eis' fisis' geses' ais' bes' c''!>2
\bar "||"
\revertDistributeNoteHeads
<c' e'>4
}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Draw a bracket between two NoteColumns from different Voices
%% happening at the same moment
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
bracketMrkp =
#(define-scheme-function (idx y-off dir bracket-info)
((string? "1") number? ly:dir? pair?)
"Return an empty chord with a bracket-markup.
The style of the bracket depends on @var{bracket-info}.
- If it is a number-pair then a bracket like |__| is drawn.
- If it is a list of number-lists then a bracket like /\\ is drawn.
@var{y-off} serves to place the bracket vertically.
@var{dir} determines the direction of the bracket flares and (for the
|__|-bracket) where the number is printed."
(if (number-pair? bracket-info)
#{
<>-\tweak staff-padding #'()
-\tweak outside-staff-priority #'()
-\tweak Y-offset $y-off
-\markup
\override #`(direction . ,(* dir -1))
\override #`(baseline-skip . ,(if (negative? dir) 1.5 0.5))
\dir-column
%% TODO this may cause collisions
\with-dimensions #'(0 . 0) #'(0 . 0) {
\translate #(cons (interval-center bracket-info) 0)
\fontsize #-5 \halign #CENTER \number #idx
\stencil #(ly:bracket X bracket-info 0.1 (* dir -1))
}
#}
(let* ((inner-list (drop-right bracket-info 1))
(dir-bracket-info
(append
(map
(lambda (e)
(list (car e) (* dir (cadr e))))
inner-list)
(last-pair bracket-info))))
#{
<>-\tweak staff-padding #'()
-\tweak outside-staff-priority #'()
-\tweak Y-offset $y-off
-\markup
\translate #'(0.5 . 0)
\stencil
#(make-connected-path-stencil
dir-bracket-info 0.2 1 1 #f #f)
#})))
\markup
\rounded-box {
\fill-line {
\column {
"Following examples offset NoteColumns and Accidentals after having done"
"\\override Staff.AccidentalPlacement.positioning-done = ##t"
"\\bracketMrkp is used"
}
\null
}
}
\new Staff {
%% DISCLAIMER AND WARNING:
%% Using this override means, you tell LilyPond: "Don't care placing
%% Accidentals, I'll do it myself"
%% You better do so then!!
\once \override Staff.AccidentalPlacement.positioning-done = ##t
\bracketMrkp #-1.2 #DOWN #'(-3.0 . 1.3)
<<
\new Voice {
\voiceOne
<\tweak Accidental.X-offset #-3.8 f''! f'''>4
}
\new Voice {
\voiceTwo
\once \override NoteColumn.force-hshift = -2.8
<\tweak Accidental.X-offset #-1.2 fis'' c'''>4.
}
>>
}
\new Staff {
%% DISCLAIMER AND WARNING:
%% Using this override means, you tell LilyPond: "Don't care placing
%% Accidentals, I'll do it myself"
%% You better do so then!!
\once \override Staff.AccidentalPlacement.positioning-done = ##t
\bracketMrkp #6.4 #UP #'((1.5 1) (3 0))
<<
\new Voice {
\voiceOne
\once \override NoteColumn.force-hshift = 1.8
<
\tweak Accidental.X-offset #1.5 eis''
\tweak Accidental.X-offset #1.5 eis'''
>8[(
<fis'' fis'''>])
}
\new Voice {
\voiceTwo
<c''' e'''>4
}
>>
}
\markup
\rounded-box {
\fill-line {
\column {
"Following examples use \\distributeNoteHeads, \\bracketMrkp and"
"Accidental.details.single-x-offset"
"NB collisions may happen with current implementation of \\bracketMrkp"
}
\null
}
}
{
\bracketMrkp #3 #UP #'((2 1) (4 0))
\once \distributeNoteHeads #3 #'(0 3)
<eis'' e''!>1
\bracketMrkp #4 #UP #'(-0.2 . 5.2)
\once \distributeNoteHeads #3 #'(0 3)
<eis'' e''!>
\bracketMrkp "" #4 #UP #'(-0.2 . 5.2)
\once \distributeNoteHeads #3 #'(0 3)
<eis'' e''!>
\once \distributeNoteHeads #1.8 #'(0 3)
<eis'' e''!>2
\once \distributeNoteHeads #1.8 #'(0 3)
<eis'' e''!>8
}
% }
\markup
\rounded-box {
\fill-line {
\column {
"Following examples use"
"\override Staff.AccidentalPlacement.positioning-done = ##t"
"Accidental.X-offset"
}
\null
}
}
\version "2.20.0"
\score {
\new Voice {
<<
{
\once \override Staff.AccidentalPlacement.positioning-done = ##t
\once \override Accidental.X-offset = #-1.5
\bracketMrkp #3 #UP #'((1.5 1) (3 0))
<eis''!>4
}
\\
{
\once \override Accidental.X-offset = #1.6
\once \override NoteColumn.force-hshift = 2
<e''!>
}
>>
<<
{
\once \override Staff.AccidentalPlacement.positioning-done = ##t
\once \override Accidental.X-offset = #-1.0
\bracketMrkp #3 #UP #'((1.5 1) (3 0))
<e''!>
}
\\
{
\once \override Accidental.X-offset = #1.6
\once \override NoteColumn.force-hshift = 2.3
<eis''!>
}
>>
\once \override NoteColumn.X-offset = 3
r
r
}
}
\markup
\rounded-box {
\fill-line {
"more examples"
\null
}
}
\new Staff
\relative c' {
\autoBeamOff
%% Long notes, no Stem, but distributing of NoteHeads is possible
\distributeNoteHeads ##f #'(0 2.75 6.5)
\set Score.skipBars = ##t
<dis e fis>\longa
<dis e fis>\breve
<dis e fis>1
\distributeNoteHeads #2 #'(0 2 5)
%% Customizings
<dis e fis>2
%% Lengthen Stem generally
\once \override Stem.length = 12
<dis e fis>2
%% Shorten the vertical part after the melting point
\once \override Stem.details.splitted-stem-vertical-length =
%% Default for: beamed-stem, flagged-stem, stem-only
%% '(1 0 2)
#'(1 0 1)
<dis e fis>2
%% Sometimes there's need for tweaking, X-offset works
\once\override NoteColumn.X-offset = 2
<dis'' e fis>2
\break
%% Short Notes
<dis,, e fis>4
<dis e fis>8
<dis e fis>16
<dis e fis>32
\distributeNoteHeads #3 #'(0 3 6)
\override Stem.length = 24
<dis eis fis>64
<dis eis fis>128
r128
r2
\override Beam.positions =
#(lambda (grob)
(let ((dir (ly:grob-property grob 'direction)))
(cons (* dir 5) (* dir 8))))
<dis eis fis>8[
<dis eis fis>16
<dis eis fis>32
<dis eis fis>64
<dis eis fis>128
\once \override Stem.details.splitted-stem-vertical-length =
#'(1.6 0 2)
<dis eis fis>256]
\once\override NoteColumn.X-offset = 3
r2.
r256
|
}
\new Staff
\relative c'' {
\autoBeamOff
\voiceTwo
\distributeNoteHeads #0 #'(0 3 6 9)
<dis e fis>4
<dis e fis>8
<dis e fis>16
<dis e fis>32
\once \revert Stem.positioning-done
\once \revert Stem.stencil
<dis eis fis>32
<dis eis fis>64
<dis eis fis>128
<dis eis fis>32[]
<dis eis fis>
}
distributed-note-heads-02-rev.pdf
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