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Re: \slashedGrace vs \acciaccatura


From: Reinhold Kainhofer
Subject: Re: \slashedGrace vs \acciaccatura
Date: Mon, 26 Sep 2011 13:29:01 +0200
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Am Sunday, 25. September 2011, 16:30:48 schrieb Neil Puttock:
> On 25 September 2011 15:19, Phil Holmes <address@hidden> wrote:
> > a) I believe the slashedGrace function is
> > to allow a slurred grace note inside a slur
> 
> Nope.  Reinhold recently added support for separate slurs on graces,
> so they work fine nested inside other slurs.

I think phil meant the correct thing: It is intended to allow a slashed grace 
note inside a slur (where in many manuscripts and editions I encountered, 
there is no slur from the slashed grace note to the real note, since the slur 
is already there, anyway. Some editions have a second slur from the grace note 
to the real note, but many don't.).
So far, we only had 
-) grace: no slur, no slash
-) appoggiatura: slur, no slash
-) acciaccatura: slur, slash

As you can see the combination "slash, but no slur" was missing... That's 
exactly what \slashedGrace is about. There is no unique musical term or fixed 
definition of what it means. It will be used often instead of an acciaccatura, 
when there is already a slur, but I have also seen it without slur.

> b) I'm not convinced a tied grace note makes musical sense
> 
> It's usually used to indicate a note/chord to be played early, at
> least in piano music when it's logistically impossible to sound on the
> beat without a third hand. :)  I believe this is the usage which
> Reinhold was thinking of when he added the new command (see
> grace-slashed-no-slur.ly).

No. I have had that slashedGrace slur in my own packages for quite a while, 
because some composers simply wrote such a thing in their manuscripts (i.e. a 
grace note with a slash, but no slur or tie whatsoever).

The bug report, to which I attached the patch and which was fixed by the 
patch, however, describes exactly this situation of a tied grace note with 
slash.

Cheers,
Reinhold


-- 
------------------------------------------------------------------
Reinhold Kainhofer, address@hidden, http://reinhold.kainhofer.com/
 * Financial & Actuarial Math., Vienna Univ. of Technology, Austria
 * http://www.fam.tuwien.ac.at/, DVR: 0005886
 * LilyPond, Music typesetting, http://www.lilypond.org



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