It is not needed there. It’s only needed when the delayed turn occurs inside a beamed group. There might be a point in including such an example in the documentation too, though…
> 19 nov. 2021 kl. 00:12 skrev Mark Stephen Mrotek <carsonm...@ca.rr.com>: > > Lukas-Fabian, > > Thank you. > This code works perfectly. > Why is "\new Voice" not included in the code in the documentation? > > Mark > > -----Original Message----- > From: Lukas-Fabian Moser [mailto:lukasfabianmo...@googlemail.com] On Behalf > Of Lukas-Fabian Moser > Sent: Thursday, November 18, 2021 12:29 PM > To: Mark Stephen Mrotek <carsonm...@ca.rr.com>; 'Leo Correia de Verdier' > <leo.correia.de.verd...@gmail.com> > Cc: 'lilypond-user' <lilypond-user@gnu.org> > Subject: Re: Delayed Turn > > Hi Mark, > > Am 18.11.21 um 20:33 schrieb Mark Stephen Mrotek: >> The beam appears since you have both the hidden note and the others in >> the same voice. Adding the double backslashes is a shorthand for >> creating a new voice, but then I needed to override some directions, >> since this also sets the first voice upwards and the second downwards. > > To be more precise: The double backslashes are shorthand not only for > creating a new voice, but for setting default directions etc. at the same > time (namely \voiceOne and \voiceTwo style settings). If we only want a new > voice without layout implications, we can just use \new Voice: > > \version "2.22" > > \relative c' { > \time 2/4 > \key aes \major > > ees'4 > << > { f,8. [(aes32 c)] } > \new Voice { > s8 > \once \set suggestAccidentals = ##t > \once \override AccidentalSuggestion.avoid-slur = #'inside > \once \override AccidentalSuggestion.font-size = -3 > \once \override AccidentalSuggestion.script-priority = -1 > \hideNotes > b16\turn > s > } >>> > } > > But note that creating delayed turns has gotten significantly easier in the > current development version 2.23.4 where we made David Kastrup's \after > function available as a stock feature. See > https://lilypond.org/doc/v2.23/Documentation/notation/expressive-marks-attached-to-notes.html > > Using this, you can do: > > \version "2.23.4" > > \relative c' { > \time 2/4 > \key aes \major > > ees'4 > \after 8 \new Voice { > \once \set suggestAccidentals = ##t > \once \override AccidentalSuggestion.avoid-slur = #'inside > \once \override AccidentalSuggestion.font-size = -3 > \once \override AccidentalSuggestion.script-priority = -1 > \hideNotes > b16\turn > } > f8. [(aes32 c)] > } > > While this does not look _that_ much easier, the difference becomes really > notable for "standard" delayed turns without accidental suggestions: > > \version "2.23.4" > > \relative { > \after 8 \turn c''8.( d32 e) > } > > Lukas >