Re: Writing score definition in Scheme

[Jan-Peter Voigt]

Hi Urs,

I assume you know to build the music-expression for the score in scheme. 
With that you can make use of #(scorify-music mymusic).
That creates a score object *and* creates the necessary music for << \\ 
>> constructs an thew like. If you don't need that you can simply use 
#(ly:make-score mymusic).

HTH
Jan-Peter

Am 26.03.2018 um 14:51 schrieb Urs Liska:
> Hi all,
>
> I'm embarrassed to admit I don't know where to start looking in the 
> manuals.
>
> I have a scheme-function that returns a \score expression, and I'm 
> sure I wouldn't have to hop around between LilyPond and Scheme syntax 
> like this:
>
> make-score =
> #(define-scheme-function (movement-path)(symbol-list?)
>    #{
>      \score {
>        <<
>          \new GrandStaff <<
>            #(get-staff movement-path 'clarino-one)
>            #(get-staff movement-path 'clarino-two)
>            #(get-staff movement-path 'corno-one)
>            #(get-staff movement-path 'corno-two)
>          >>
>
>          #(get-staff movement-path 'tympano)
>
>          \new ChoirStaff <<
>            #(get-staff movement-path 'soprano)
>            #(get-staff movement-path 'alto)
>            #(get-staff movement-path 'tenor)
>            #(get-staff movement-path 'bass)
>          >>
>          \new StaffGroup <<
>            \new GrandStaff <<
>              #(get-staff movement-path 'violin-one)
>              #(get-staff movement-path 'violin-two)
>              #(get-staff movement-path 'viola)
>            >>
>            #(get-staff movement-path 'bc)
>          >>
>        >>
>        \midi {}
>        \layout {}
>      }
>    #})
>
>
> The function is also called from within Scheme code, so I would like 
> to write the same using Scheme only, without switching to LilyPond 
> with #{ #} but also back to Scheme within these expressions.
>
> How would I go about this and/or where would I look up the reference 
> for this?
>
> Thanks
> Urs
>
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