Ghost voice - Revision history

Lemzwerg: New category

2025-11-21T23:23:54Z

New category

← Older revision		Revision as of 23:23, 21 November 2025
Line 41:		Line 41:
	[[Category:Editorial annotations]]		[[Category:Editorial annotations]]
	[[Category:Scheme]]		[[Category:Scheme]]
	[[Category:Really cool]][[Category:Snippet]]		[[Category:Really cool]]
			[[Category:Snippet]]

Lemzwerg at 22:53, 21 November 2025

2025-11-21T22:53:52Z

← Older revision		Revision as of 22:53, 21 November 2025
Line 41:		Line 41:
	[[Category:Editorial annotations]]		[[Category:Editorial annotations]]
	[[Category:Scheme]]		[[Category:Scheme]]
	[[Category:Really cool]]		[[Category:Really cool]][[Category:Snippet]]

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

2025-11-16T18:55:23Z

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 18:55, 16 November 2025
Line 1:		Line 1:
	This function transforms a simple voice (pitches and durations) into a “ghost voice” consisting of spacers and durations only (e.g. c2 d e ==> s2 s s). This is very useful for writing simultaneous voice parts where one contains pitches, another dynamics, a third fingering instructions ... This can easily be used to print a score with or without fingerings or other attributes! The ghost music can be written to the log with <code>\displayLilyMusic \ghostMusic</code> followed by the music to be transformed.		This function transforms a simple voice (pitches and durations) into a “ghost voice” consisting of spacers and durations only (e.g. c2 d e ==> s2 s s). This is very useful for writing simultaneous voice parts where one contains pitches, another dynamics, a third fingering instructions ... This can easily be used to print a score with or without fingerings or other attributes! The ghost music can be written to the log with <code>\displayLilyMusic \ghostMusic</code> followed by the music to be transformed.

	<lilypond version="2.24.0">		<lilypond version="2.24">
	%% http://lsr.di.unimi.it/LSR/Item?id=507		%% http://lsr.di.unimi.it/LSR/Item?id=507

Jean Abou Samra: Import snippet from LSR

2025-10-26T22:41:21Z

Import snippet from LSR

New page

This function transforms a simple voice (pitches and durations) into a “ghost voice” consisting of spacers and durations only (e.g. c2 d e ==> s2 s s). This is very useful for writing simultaneous voice parts where one contains pitches, another dynamics, a third fingering instructions ... This can easily be used to print a score with or without fingerings or other attributes! The ghost music can be written to the log with <code>\displayLilyMusic \ghostMusic</code> followed by the music to be transformed.

<lilypond version="2.24.0">
%% http://lsr.di.unimi.it/LSR/Item?id=507

%% LSR This snippet was contributed by Gilles Thibault, on an idea by Eluze.
%% updated by Gilles Thibault on Feb. 2014

#(define (MM->Script-text evt)
(if (eq? 'MultiMeasureTextEvent (ly:music-property evt 'name))
(let ((res (make-music 'TextScriptEvent)))
;; (display (ly:music-mutable-properties evt)) ; if you are curious ...
(for-each (lambda(props)
(ly:music-set-property! res (car props) (cdr props)))
(ly:music-mutable-properties evt))
res)
evt))

ghostMusic = #(define-music-function (music) (ly:music? )
(map-some-music
(lambda(x)
(let ((dur (ly:music-property x 'duration #f)))
(and (or dur (eq? 'EventChord (ly:music-property x 'name)))
(let ((skip (make-music 'SkipEvent 'duration
(or dur (make-duration-of-length (ly:music-length x)))))
(artis (let ((elts (ly:music-property x 'elements #f)))
(if elts (filter (lambda(y) ;; EventChord
(not (eq? 'NoteEvent (ly:music-property y 'name))))
elts)
(map MM->Script-text (ly:music-property x 'articulations '()))))))
(ly:music-set-property! skip 'articulations artis)
skip))))
music))

notes = { a2-"hello" b4 r-"1" R1^"2" b2 a-"bye" <c e g c' e' g'>1-"oho ;-)" }

\ghostMusic \notes
</lilypond>

[[Category:Expressive marks]]
[[Category:Editorial annotations]]
[[Category:Scheme]]
[[Category:Really cool]]