Two \partCombine pairs on one staff - Revision history

Lemzwerg: Revise

2025-12-28T15:15:20Z

Revise

@@ Line 1: / Line 1: @@
-The <code>\partCombine</code> function takes two music expressions each containing a part, and distributes them among four <code>Voice</code>s named “two”, “one”, “solo”, and “chords” depending on when and how the parts are merged into a common voice. The voices output from <code>\partCombine</code> can have their layout properties adjusted in the usual way. Here we define extensions of <code>\partCombine</code> to make it easier to put four voices on a staff.
+The <code>\partCombine</code> function takes two music expressions, each containing a part, and distributes them among four <code>Voice</code> contexts named “one”, “two”, “solo”, and “shared”, depending on when and how the parts are merged into a common voice.
-The original version can be input as follows.
+Variants of <code>\partCombine</code> are <code>\partCombineUp</code> and <code>\partCombineDown</code> to produce up-stem and down-stem merging of two voices, respectively.  Combining them to squeeze four parts into a single staff, however, need some special setup, which this snippet defines accordingly.
-<pre>soprano = { d'4 | cis'  b  e'  d'8 cis' | cis'2 b }
+<lilypond version="2.24">
 alto = { fis4 | e8 fis gis ais b4 b | b ais fis2 }
 tenor = { a8 b | cis' dis' e'4 b8 cis' d'4 | gis cis' dis'2 }
@@ Line 9: / Line 46: @@
 \new Staff <<
    \key b\minor
    \clef alto
    \partial 4
-   \transpose b b'
+   \transpose b b' \customPartCombineUp \soprano \alto
-  \partCombineUp \soprano \alto
+   \customPartCombineDown \tenor \bass
-   \partCombineDown \tenor \bass
+>>
 \layout {
    \context {
@@ Line 33: / Line 66: @@
+   }
+}
 </lilypond>

Lemzwerg at 13:30, 9 December 2025

2025-12-09T13:30:18Z

← Older revision		Revision as of 13:30, 9 December 2025
Line 89:		Line 89:
	</lilypond>		</lilypond>

	[[Category:Scheme]		[[Category:Scheme]]
	[[Category:Simultaneous notes]]		[[Category:Simultaneous notes]]
	[[Category:Staff notation]]		[[Category:Staff notation]]
	[[Category:Included in the official documentation]]		[[Category:Included in the official documentation]]
	[[Category:Snippet]]		[[Category:Snippet]]

Lemzwerg at 07:30, 5 December 2025

2025-12-05T07:30:29Z

← Older revision		Revision as of 07:30, 5 December 2025
Line 89:		Line 89:
	</lilypond>		</lilypond>

			[[Category:Scheme]
	[[Category:Simultaneous notes]]		[[Category:Simultaneous notes]]
	[[Category:Staff notation]]		[[Category:Staff notation]]
	[[Category:Included in the official documentation]]		[[Category:Included in the official documentation]]
	[[Category:Snippet]]		[[Category:Snippet]]

Lemzwerg: New category

2025-11-21T23:32:37Z

New category

← Older revision		Revision as of 23:32, 21 November 2025
Line 91:		Line 91:
	[[Category:Simultaneous notes]]		[[Category:Simultaneous notes]]
	[[Category:Staff notation]]		[[Category:Staff notation]]
	[[Category:Included in the official documentation]][[Category:Snippet]]		[[Category:Included in the official documentation]]
			[[Category:Snippet]]

Lemzwerg at 23:01, 21 November 2025

2025-11-21T23:01:59Z

← Older revision		Revision as of 23:01, 21 November 2025
Line 91:		Line 91:
	[[Category:Simultaneous notes]]		[[Category:Simultaneous notes]]
	[[Category:Staff notation]]		[[Category:Staff notation]]
	[[Category:Included in the official documentation]]		[[Category:Included in the official documentation]][[Category:Snippet]]

Lemzwerg at 11:11, 19 November 2025

2025-11-19T11:11:40Z

← Older revision		Revision as of 11:11, 19 November 2025
Line 1:		Line 1:
	The <code>\partCombine</code> function takes two music expressions each containing a part, and distributes them among four <code>Voice</code>s named “two”, “one”, “solo”, and “chords” depending on when and how the parts are merged into a common voice. The voices output from <code>\partCombine</code> can have their layout properties adjusted in the usual way. Here we define extensions of <code>\partCombine</code> to make it easier to put four voices on a staff.		The <code>\partCombine</code> function takes two music expressions each containing a part, and distributes them among four <code>Voice</code>s named “two”, “one”, “solo”, and “chords” depending on when and how the parts are merged into a common voice. The voices output from <code>\partCombine</code> can have their layout properties adjusted in the usual way. Here we define extensions of <code>\partCombine</code> to make it easier to put four voices on a staff.

			The original version can be input as follows.

	<pre>soprano = { d'4 \| cis' b e' d'8 cis' \| cis'2 b }		<pre>soprano = { d'4 \| cis' b e' d'8 cis' \| cis'2 b }
Line 6:		Line 8:
	bass = { fis8 gis \| a4 gis g fis \| eis fis b,2 }		bass = { fis8 gis \| a4 gis g fis \| eis fis b,2 }

	\new Staff ~~<<~~		\new Staff <<
	\key b\minor		\key b\minor
	\clef alto		\clef alto
Line 13:		Line 15:
	\partCombineUp \soprano \alto		\partCombineUp \soprano \alto
	\partCombineDown \tenor \bass		\partCombineDown \tenor \bass
	~~>>~~</pre>		>></pre>

			And here is the extended snippet.

	<lilypond version="2.24">		<lilypond version="2.24">

Jean Abou Samra: Replace version="2.24.0" with version="2.24" now that the LilyWiki extension supports auto-selecting the latest release in a stable series

2025-11-16T18:50:39Z

Replace version="2.24.0" with version="2.24" now that the LilyWiki extension supports auto-selecting the latest release in a stable series

← Older revision		Revision as of 18:50, 16 November 2025
Line 15:		Line 15:
	>></pre>		>></pre>

	<lilypond version="2.24.0">		<lilypond version="2.24">
	\layout {		\layout {
	\context {		\context {

Jean Abou Samra: Import snippet from LSR

2025-10-26T22:44:52Z

Import snippet from LSR

New page

The <code>\partCombine</code> function takes two music expressions each containing a part, and distributes them among four <code>Voice</code>s named “two”, “one”, “solo”, and “chords” depending on when and how the parts are merged into a common voice. The voices output from <code>\partCombine</code> can have their layout properties adjusted in the usual way. Here we define extensions of <code>\partCombine</code> to make it easier to put four voices on a staff.

<pre>soprano = { d'4 | cis' b e' d'8 cis' | cis'2 b }
alto = { fis4 | e8 fis gis ais b4 b | b ais fis2 }
tenor = { a8 b | cis' dis' e'4 b8 cis' d'4 | gis cis' dis'2 }
bass = { fis8 gis | a4 gis g fis | eis fis b,2 }

\new Staff <<
\key b\minor
\clef alto
\partial 4
\transpose b b'
\partCombineUp \soprano \alto
\partCombineDown \tenor \bass
>></pre>

<lilypond version="2.24.0">
\layout {
\context {
\Staff
\accepts "VoiceBox"
}
\context {
\name "VoiceBox"
\type "Engraver_group"
\defaultchild "Voice"
\accepts "Voice"
\accepts "NullVoice"
}
}

customPartCombineUp =
#(define-music-function (partOne partTwo)
(ly:music? ly:music?)
"Take the music in @var{partOne} and @var{partTwo} and return
a @code{VoiceBox} named @q{Up} containing @code{Voice}s
that contain @var{partOne} and @var{partTwo} merged into one
voice where feasible. This variant sets the default voicing
in the output to use upward stems."
#{
\new VoiceBox = "Up" <<
\context Voice = "one" { \voiceOne }
\context Voice = "two" { \voiceThree }
\context Voice = "shared" { \voiceOne }
\context Voice = "solo" { \voiceOne }
\context NullVoice = "null" {}
\partCombine #partOne #partTwo
>>
#})

customPartCombineDown = #
(define-music-function (partOne partTwo)
(ly:music? ly:music?)
"Take the music in @var{partOne} and @var{partTwo} and return
a @code{VoiceBox} named @q{Down} containing @code{Voice}s
that contain @var{partOne} and @var{partTwo} merged into one
voice where feasible. This variant sets the default voicing
in the output to use downward stems."
#{
\new VoiceBox = "Down" <<
\set VoiceBox.soloText = #"Solo III"
\set VoiceBox.soloIIText = #"Solo IV"
\context Voice ="one" { \voiceFour }
\context Voice ="two" { \voiceTwo }
\context Voice ="shared" { \voiceFour }
\context Voice ="solo" { \voiceFour }
\context NullVoice = "null" {}
\partCombine #partOne #partTwo
>>
#})

soprano = { d'4 | cis' b e' d'8 cis' | cis'2 b }
alto = { fis4 | e8 fis gis ais b4 b | b ais fis2 }
tenor = { a8 b | cis' dis' e'4 b8 cis' d'4 | gis cis' dis'2 }
bass = { fis8 gis | a4 gis g fis | eis fis b,2 }

\new Staff <<
\key b\minor
\clef alto
\partial 4
\transpose b b'
\customPartCombineUp \soprano \alto
\customPartCombineDown \tenor \bass
>>
</lilypond>

[[Category:Simultaneous notes]]
[[Category:Staff notation]]
[[Category:Included in the official documentation]]