Hi Knute,

Have you had any luck so far? After I read your original email I looked at
what Gould had to say, and looked through a Henle edition of Beethoven
piano sonatas. The Henle slurs all looked good (or at least not wrong), but
placement looks like more of an art than a science when a slur is scaling
high musical passages.
Gould doesn’t give blanket statements about slurs, but it seems like her
default position in the first bar of your excerpt is to attach the slur to
the end of the stem, like the second version given. She then details
various scenarios when it may be good to move the end of the slur closer to
the notehead (but never pointing directly at it like the first version).
There is probably a range of acceptable shapes, so maybe tweaking penalties
could get default slurs closer to this range.

Vaughan




On Fri, 8 Sept 2023, 10:44 Knute Snortum, <ksnor...@gmail.com> wrote:

> Hello all,
>
> I have a piece I'm engraving where the automatic (default) slur shapes are
> not that good.  See first attachment for my piece with no \shape commands,
> and the second attachment is more how I would like the slur shapes to be.
>
> I have a feeling that I could do a lot with the Slur.details alist, but
> the function of the symbol/value pairs is not always clear.  Is there
> documentation on these?
>
> One problem seems to be that LilyPond wants the slurs to be symmetrical.
> Is there a way to tweak something and let the slur engraver be more
> inclined to create asymmetrical slurs?
>
> Thanks as always for your input.  It's very much appreciated.
>
> --
> Knute Snortum
>
>

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