On 25 February 2018 at 13:15, David Kastrup <[email protected]> wrote:
> Gianmaria Lari <[email protected]> writes:
>
> > Because lilypond "doesn't expect" to return more than one score I tried
> to
> > put the call to my function returning the score inside a \book. But this
> > also does not work and I get this error:
> >
> > This is my code:
> >
> > \version "2.19.81"
> > myScore = #(define-scheme-function (music) (ly:music?) #{
> > \score { $music \layout{} }
> > \score { \unfoldRepeats $music \midi{}}
> > }
> > #})
>
> Where is the book you are purporting to return?
>
First thing: I made another mistake in the code I copied. This is the code
I wanted to send:
\version "2.19.81"
myScore = #(define-scheme-function (music) (ly:music?) #{
\score { $music \layout{} }
\score { \unfoldRepeats $music \midi{}}
#} )
\book {
\myScore {\repeat percent 2 {c' d' e' f'}}
\myScore {\repeat percent 2 {g c' c' c'}}
}
Second thing: No, I didn't return a book, I return scores inside a book.
The reason is that I don't know how many call to myscore I will need so I
thought that I have to put it "externally". I don't know if I'm clear.
BUT I also tried to do this:
\version "2.19.81"
myScore = #(define-scheme-function (music) (ly:music?) #{
\book {
\score { $music \layout{} }
\score { \unfoldRepeats $music \midi{}}
} #} )
\myScore {\repeat percent 2 {c' d' e' f'}}
\myScore {\repeat percent 2 {g c' c' c'}}
This would create multiple book inside a single file. It looked to me that
it was not the way to go.
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