Re: Help with mixing Scheme and Music

[Carl Sorensen]

On Dec 23, 2010, at 4:07 AM, "Nicolas Sceaux"  
<address@hidden> wrote:

>
> Le 23 déc. 2010 à 06:13, Carl Sorensen a écrit :
>
>> Hi,
>>
>> I'm trying to get an easier method of creating custom string  
>> tunings (see
>> http://article.gmane.org/gmane.comp.gnu.lilypond.general/60871)
>>
>> I'd like to do one of the following:
>>
>> \makeStringTuning #'violin-tuning <g d' a' e''>
>
> If you want to bind violin-tuning to some value computed from
> the given chord, you can use for instance:
>
>  (ly:parser-define! parser symbol value)

Thanks!  ly:parser-define is what I was looking for unsuccessfully.

>
> This is done for instance in \parallelMusic definition.
>
>> violin-tuning = \makeStringTuning <g d' a' e''>
>
> Music functions are supposed to return music expressions,  so if
> violin-tuning is supposed to be e.g. a list of pitches, which is
> not a music expression, this won't work.

That was my answer, too. I wondered if I was being myopic, however

Thanks for the help!

Carl

>