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Re: missing slur


From: Stan Sanderson
Subject: Re: missing slur
Date: Thu, 24 Mar 2005 10:02:19 -0600

Mats-

Thank you for the response.

I had previously tried a phrasing slur inside the long slur (trying to force a slur for the appoggiatura) but for some reason had not tried it outside.

I also find this implementation for appoggiatura slurs somewhat odd. There is another section in the piece with a long slur (\slurUp), a phrasing slur (\phrasingSlurDown ), and an appoggiatura inside. As I understand it, the current implementation doesn't allow a slurred appoggiatura (since it would be a third slur).

I also am surprised that the appoggiatura slur is to the lower note (the c-sharp) of the pair in <fs d>4\( \appoggiatura { b16[ a]} <g cis,>8\) . Is this standard practice? It does not follow the marking in the source edition.

Regards,

Stan

On Mar 24, 2005, at 3:47 AM, Mats Bengtsson wrote:

After some private emails, it turns out that the problem is that
there was another slur starting before the appoggiatura and ending
after it. Since LilyPond only allows for one simultaneous slur at
a time (since that's the only thing that makes sense musically in
most cases), appoggiatura slur wasn't printed.
The following small example illustrates the problem,
\version "2.5.16"
\relative c' \new Voice {
\partial 4
fis ( \appoggiatura {b16[ a]} <g cis,>8. ) fis16 g4 }

The easiest solution is to typeset the long slur using a
phrasing slur:

 \relative c' \new Voice {
\partial 4
fis4 \( \appoggiatura {b16[ a]} <g cis,>8 \) fis16 g4 }

This problem has been discussed earlier, see for example
http://lists.gnu.org/archive/html/lilypond-user/2004-03/msg00425.html
and I don't find the current implementation fully satisfactory.
If the consensus is that two slurs cannot appear simultaneously, then
the appoggiatura "slur" should not count as an ordinary slur but as
something else.

Also, the fact that you cannot have simultaneous slurs is not mentioned
in the documentation.

   /Mats

Mats Bengtsson wrote:
It certainly works over here. Have you tried if you can print any
slurs at all, for example with
\version "2.5.16"
\relative c' {c ( d e f )}
If that fails, it indicates some PostScript related problem.
Have you checked both the .ps and .pdf output?
  /Mats
Stan Sanderson wrote:
using 2.5.16, Mac OS through Fink

 \appoggiatura {b16[ a]} <g cs,>8

does not provide a slur as shown in the documentation. Nor have I been able to force a slur.

Stan



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        Mats Bengtsson
        Signal Processing
        Signals, Sensors and Systems
        Royal Institute of Technology
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        Sweden
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