Re: Tried to use "music box" with Lilypond 2.22.2, get lots of Scheme errors

[Kenneth Wolcott]

No, it does not support the "q' functionality, but it is still a very
cool function :-)

Thanks,
Ken

On Tue, Sep 20, 2022 at 7:36 PM Kenneth Wolcott
<kennethwolcott@gmail.com> wrote:
>
> HI Aaron;
>
>   Thank you very much!  Works great now.
>
>   A followup question: I don't think that this function supports the
> "q" substitution for chord repetition, does it?
>
>   I guess I'll find out :-)
>
> Thanks,
> Ken
>
> On Tue, Sep 20, 2022 at 6:15 PM Aaron Hill <lilypond@hillvisions.com> wrote:
> >
> > On 2022-09-20 4:27 pm, Kenneth Wolcott wrote:
> > > Hi;
> > >
> > > Tried to use "music box" with Lilypond 2.22.2, get lots of Scheme
> > > errors.
> > >
> > > https://lsr.di.unimi.it/LSR/Search?q=music+box
> > >
> > > See attachments. I did not include my generated pdf file because it
> > > pertains to the input file prior to trying to implement the music box.
> > >
> > > Thanks,
> > > Ken Wolcott
> > >
> > > ~/bin/engrave.pl --lpv=2.22.2 --s=O_Holy_Night.ly
> > > GNU LilyPond 2.22.2 (running Guile 2.2)
> > > Processing `O_Holy_Night.ly'
> > > Parsing...Backtrace:
> > > [...]
> > > ice-9/eval.scm:159:9: Value out of range 0 to 18446744073709551615: -14
> >
> > Review the documentation for LSR 346.  The transformation pattern must
> > use notes starting from middle C.  Your pattern has notes in a much
> > lower octave, which results in a negative index.  So, you would want to
> > say something like this:
> >
> > %%%%
> > make_bass_pattern = \defineTransform \tuplet 6/4 \fixed c' { c8( d e f g
> > a) }
> > %%%%
> >
> > However, you can do this more efficiently, removing the redundant notes:
> >
> > %%%%
> > make_bass_pattern = \defineTransform \tuplet 6/4 \fixed c' { c8( d e f d
> > e) } % 1 2 3 4 2 3
> > % ...
> > | \make_bass_pattern { g, g d b } \make_bass_pattern { b, g d b }
> > | \make_bass_pattern { b, g d b } \make_bass_pattern { b, g d b }
> > | \make_bass_pattern { b, g d b } \make_bass_pattern { c g e c' }
> > % ...
> > %%%%
> >
> >
> > -- Aaron Hill