Thank you Knute and Mats.
Removing the "\\" aligns the notes on the same stem, but they also get
the same note head.
Keeping the "\\" and using \voiceTwo aligns the notes and shows
different note heads.
Gerardo
Il giorno mer 17 apr 2024 alle ore 13:19 Mats Bengtsson
<matsboxergr...@gmail.com> ha scritto:
>
> On 2024-04-16 21:59, Gerardo Ballabio wrote:
> > Hello all,
> > I'm trying to typeset a percussion score with several instruments on
> > the same staff. When they play simultaneous notes I want to line them
> > up all on the same stem, like this (output attached, percussion1.pdf):
> >
> > %%%%%%%%%%
> > \version "2.24.1"
> >
> > \new Staff \relative {
> > \clef "varpercussion"
> > \stemDown
> > R1 |
> > r2 <e b' f'>2\f-> |
> > R1 |
> > r2 q2-> |
> > }
> > %%%%%%%%%%
> >
> > But I'd like to write down each part separately, so that I may also
> > print the single parts without redoing everything. And I also want to
> > use different note heads for each instrument.
> > This is the best I could come up with:
> >
> > %%%%%%%%%%
> > \version "2.24.1"
> >
> > bassDrum = \relative {
> > \stemDown
> > s1 |
> > s2 b2-> |
> > s1 |
> > s2 b2-> |
> > }
> >
> > cymbals = \relative {
> > \override NoteHead.style = #'xcircle \stemDown
> > s1 |
> > s2 f'2 |
> > s1 |
> > s2 f2 |
> > }
> >
> > tamTam = \relative {
> > \override NoteHead.style = #'cross \stemDown
> > s1 |
> > s2 e2 |
> > s1 |
> > s2 e2 |
> > }
> >
> > pause = \new Voice {
> > \clef "varpercussion"
> > \time 4/4
> > R1 |
> > r2 s2\f |
> > R1 |
> > r2 s2 |
> > }
> >
> > percussions = \new Voice \relative {
> > <<
> > \cymbals
> > \\
> > \tamTam
> > \\
> > \bassDrum
> > >>
> > }
> >
> > \new Staff
> > <<
> > \pause
> > \percussions
> > %%%%%%%%%%
> >
> > But as you can see (output attached, percussion2.pdf) the three notes
> > aren't aligned on the same stem, only two of them are.
> >
> > I tried \partCombine, it works nicely with two parts, but if there's a
> > way to combine three or more I didn't find it.
> >
> > Any help is much appreciated.
>
> Just remove the "\\" in your definition of percussions:
>
> percussions = \new Voice \relative {
> <<
> \cymbals
> \tamTam
> \bassDrum
> >>
> }
> In that way, all three lines of music will belong to the same Voice.
>
> When you use the construct << ... \\ ... >>, you explicitly ask LilyPond
> to create separate voices with separate stems, for the different lines
> of music, which is not what you want in this particular situation.
>
> /Mats
>
