Re: "abbreviations" as found in a Rubanks Intermediate Method book

[Thomas Morley]

Am So., 21. Nov. 2021 um 07:21 Uhr schrieb Kenneth Wolcott
<kennethwolcott@gmail.com>:
>
> Hi Carl;
>
>   When I try this tremolo with the colons, it displays fine, but midi
> sounds as if there is no abbreviation. Of course, I see that the colon
> syntax is not supported for midi with Lilypond.
>
>   So I try the same with the \repeat tremolo syntax, it displays fine,
> but the midi sounds as if there is no abbreviation.  It does say that
> midi should be supported by the \repeat tremolo syntax, but I'm not
> experiencing that.
>
>   So, what am I doing wrong? (Mac, Apple Silicon, homebrew Lilypond).
>
> Thanks,
> Ken
>
> GNU LilyPond 2.22.1
> Processing `abbreviations.ly'
> Parsing...
> Interpreting music...
> Preprocessing graphical objects...
> Interpreting music...
> MIDI output to `abbreviations.midi'...
> Finding the ideal number of pages...
> Fitting music on 1 page...
> Drawing systems...
> Converting to `abbreviations.pdf'...
> Success: compilation successfully completed
>
> On Fri, Nov 19, 2021 at 12:27 PM Kenneth Wolcott
> <kennethwolcott@gmail.com> wrote:
> >
> > AWESOME!  I completely missed it.  Thanks.
> >
> > On Fri, Nov 19, 2021 at 11:53 AM Carl Sorensen <c_sorensen@byu.edu> wrote:
> > >
> > >
> > >
> > > On 11/19/21, 12:39 PM, "lilypond-user on behalf of Kenneth Wolcott" 
> > > <lilypond-user-bounces+carl.d.sorensen=gmail.com@gnu.org on behalf of 
> > > kennethwolcott@gmail.com> wrote:
> > >
> > >     Hi;
> > >
> > >       See attached screenshot.
> > >
> > >       "abbreviations" as found in a Rubanks Intermediate Method book.
> > >
> > >       Does Lilypond support this musical shortcut?
> > >
> > >
> > > See 
> > > https://lilypond.org/doc/v2.22/Documentation/notation/short-repeats#tremolo-repeats
> > >  , under putting tremolo marks on a single note.
> > >
> > > HTH,
> > >
> > > Carl
> > >
> > >

You need to unfold the tremolo-repeats:

\score {
  \unfoldRepeats tremolo
  \new Staff {
    \set Staff.midiInstrument = "tuba"
    \tuba
  }
  \midi {}
}

If you want to unfold all repeats use \unfoldRepeats without specifications

Cheers,
  Harm