Re: placing crescendo and decrescendo markings within span of a whole note

[Simon Albrecht]

On 06.01.2016 22:05, Simon Albrecht wrote:
> On 06.01.2016 21:40, Ryan Michael wrote:
> > i want a
> >
> > dis1
> >
> > with < >  (cresencendo / decrescendo)
> >
> > underneath it. How can I do that and size the crescendo and 
> > decresendo to my liking (say span the < to last 3 quarters of the 
> > whole note and the > to last a quarter)
>
> I have a very handy music function for that (based on an idea by David 
> K.):
>
> after =
> #(define-music-function (t e m) (ly:duration? ly:music? ly:music?)
>    #{
>      <<
>        #m
>        { \skip $t <> -\tweak extra-spacing-width #empty-interval $e }
>      >>
>    #})
>
> With that you can write things like:
> \new Voice {
>   \after 2. \> dis1\< <>\! |
>   \after 4 \< \after 2 \> \after 2. \p dis1
>   \after 2. \stopTrillSpan dis1\startTrillSpan

Sorry for the typo here: should be \downbow (lowercase only)

>   \after 2 \upbow dis1\downBow
> }
>
> Note that it’s essential to explicitly create the voice with \new 
> Voice, else the <<>> in the music function will create new voices and 
> it won’t work.
>
> HTH, Simon
>
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