Re: Extract pitch and duration from ly:music

[David Kastrup]

Paolo Prete <address@hidden> writes:

> Hello,
> is it possible to extract pitch and duration, inside a function, from
> a ly:music (a simple note) parameter?
> I would like to obtain something like:
> func = #(define-music-function (parser location note dur)
> (ly:music) #{ ....  $mypitch $myduration .....  #}  )
> ... But I don't understand if is there a way to obtain $mipitch and 
> $myduration
> I know that I can extract them with scheme:
> ((mypitch (ly:music-property note 'pitch '()))    (myduration
> (ly:music-property note 'duration '())))
>
> But I see that it is not possible to use $mypitch and $myduration in
> the #{ ... #}  scope.

Can you tell us what makes you see that?

-- 
David Kastrup