Re: music function playing well with context

[Mats Bengtsson]

On 2023-02-07 22:07, Jean Abou Samra wrote:
> > I understand that having a ly:pitch argument, I can only use... pitch
> > But changing it to ly:music?, I am not being able to control the notes duration.
> >
> > This is my first function, so sorry if this is too basic 😄
>
> This is not a dumb question. Try this:
>
> \version "2.24.0"
>
> myT =
> #(define-music-function (pa pb) (ly:music? ly:music?)
>     (ly:music-set-property! pa 'duration #{ 4 #})
>     (ly:music-set-property! pb 'duration #{ 8 #})
>      #{ \tuplet 3/2 { #pa #pb } #})
>
> {
>    \myT c( gis a4_.)
>    \myT c_. d^^ e4
> }
>
>
> You need to receive the argument as ly:music? so as to allow
> articulations on the note. Then, you can override the duration,
> with ly:music-set-property! .

Out of curiosity, let's say that I have a music pattern where one of the 
"notes" (pitch+possible articulations/whatever) appears several times 
with different durations. Is there any simpler solution than

\version "2.24.0"


myT =
#(define-music-function (pa pb) (ly:music? ly:music?)
  (let ((pa8 (music-clone pa 'duration #{ 8 #}))
     (pa16 (music-clone pa 'duration #{ 16 #}))
     (pb8 (music-clone pb 'duration #{ 8 #}))
     (pb16 (music-clone pb 'duration #{ 16 #})))
    #{ \tuplet 3/2 { #pa8 #pb16 #pa16 #pb8 } #}))


\absolute c' {
  \myT c \f gis \p a4_.
  \myT c_. d'^^ e4
}

I know that there are solutions such as 
http://gillesth.free.fr/Lilypond/changePitch/ available, that at least 
partly handles the same problem in a convenient way.

   /Mats