Re: Transpose a lilypond file

[Marc Hohl]

Am 05.10.2014 um 10:03 schrieb Jay Vara:
> I have a song.ly file which prints a song. Is it possible for someone to
> print the song with a transposition, say c to d, without editing the .ly
> file? Something like:
>
> \transpose c d {\include song.ly}

I had a similar problem some time ago.

I included the following lines in song.ly

#(define transposeTo
   (if (defined? 'transposeTo)
       transposeTo
       #{ c #}))

melody = { ... }
chords = {... }

\score {
   \transpose c $transposeTo
   <<
     ...chords ...
     ...melody ...
   >>
}

Then you simply make a new file song-in-d.ly:

#(define transposeTo #{ d #})
\include "song.ly"



HTH,

Marc








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