Re: getting repeats to play in midi

[Tom Cloyd]

On 04/14/2011 03:01 AM, Janek Warchoł wrote:
> Hi,
> please use "reply to all" button (i.e. send a reply not only to the
> person who answered, but also to the whole list). This way we can help
> you better and the conversation would be archived and available for
> others.
> Now back to the problem :)
>
> 2011/4/14 Tom Cloyd<address@hidden>
> > Well (sigh), it didn't change a thing. At the first repeat I still get aural 
> > chaos. I have posted my entire code at http://pastie.org/1794353, if you have a 
> > moment to look at it. I really cannot seem to get my head around this midi 
> > repeat thing, and my searches for anything helpful have not led me anywhere. 
> > I'm stumped at the moment.
> If you analyze the funny midi output that you get, the answer will
> become quite clear: in the midi output, melody voice is repeated
> properly, while alto and bass are not repeated. Now look into the
> source file... exactly! "\repeat volta 2" is specified in melody voice
> only. You need to write it in every voice :)
>
> cheers,
> Janek
Hmmm. Very interesting. I have been using the wrong mental model of what 
Lilypond does with my engraving code. Thanks very much - haven't tried 
your fix yet, but it sounds most reasonable.

On the other hand, don't we have a bit of a problem with Lilypond, here? 
It's doing one thing with the 3 voices when engraving, and quite a 
different one when generating midi. Furthermore, there's nothing about 
this in the documentation (Notation Reference) that I can find - I 
looked in "1.4.1 Long repeats", and "3.5 Midi output", and a number of 
other less likely places, and found no mention of a need to add repeats 
to voices which are not needed for engraving so that midi output will 
make sense.

The logical place for this information to be placed would seem to be 
"3.5.4 Repeats in midi", and a link to this should appear in 1.4.1, I think.

If this is a reasonable idea, does anyone know to whom I should make 
this request?

Also, in the course of working this out, I've made an interesting 
discovery which I'll share in a different post (new topic).

Thanks again, and I AM interested in seeing that the documentation is 
updated if this possible.

t.

--

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"It is impossible for a man to learn what he thinks he already
knows." ~ Epictetus (c.55-c.135)
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Tom Cloyd, MS MA
Private practice Psychotherapist
St. George, Utah, U.S.A: (435) 272-3332
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