Re: ob-lilypond.el doesn't generate midi files

[Nick Dokos]

Michael Maurer <maurer.michael@gmail.com> writes:

> On Thu, 26 Aug 2021 at 15:03, Jonathan Gregory <jgrg@autistici.org> wrote:
>>
>> Hi
>>
>> On 26 Aug 2021, Michael Maurer wrote:
>>
>> > I've installed lilypond and customized ob-lilypond to use the
>> > appropriate helper programs, but although it generates & shows
>> > pdfs just fine, generating a midi file it does not. I execute
>> > tangle on the codeblock, and all I get is "No midi file
>> > generated so can't play!". org-version 9.4.6 emacs 27.2 Win 10
>>
>> Can you also send a MWE of the code you're using to generate the
>> score?
>>
>
> I used a test file I copied over from Frescobaldi
>
> #+begin_src lilypond :file test.pdf
> \version "2.18.2"
> \score {
> \drums {
>   \time 2/4
>   sn16 sn8 sn16 sn8 sn8:32 ~
>   sn8 sn8 sn4:32 ~
>   sn4 sn8 sn16 sn16
>   sn4 r4
> }
>   \layout { }
>   \midi { }
> }
> #+end_src
>
> In Frescobaldi this gets me both midi-output and pdf. In Emacs with
> org it does say "Midi output to test.midi", but then there's that "no
> midi file generated" message.
>

What happens if you save the contents of the source block into a file
and run lilypond on the file from the command line?

-- 
Nick

"There are only two hard problems in computer science: cache
invalidation, naming things, and off-by-one errors." -Martin Fowler