Re: Very strange beaming example

[ul]

Zitat von Keith OHara <address@hidden>:

> Urs Liska <ul <at> openlilylib.org> writes:
>
> > Has anybody seen this before?
>
> No.  If it is Chopin, what Opus and Number is it ?

It's Leopold Godowsky's Study on Chopin's Study op. 25,11.

> > And, just out of curiosity, how would you do that in LilyPond?
>
> If possible, use a more standard way to show whatever this means.

I see it's _very_ non-standard notation. But I think it's a clever  
idea to express the metric ambiguity of that pattern.
If one were to engrave this composition I don't see any justification  
to 'normalize' that notation.

> You can set the number of beams fairly easily, but LilyPond always
> draws the outer beams so the span across the inner beams
>
> \relative c''{
> \set subdivideBeams = ##t
> \once\override Beam #'beam-segments = #
> (lambda (g)
>   (let ((segs (ly:beam::calc-beam-segments g)))
>     (display segs)(newline)
>     segs))
> c16[ d e f d
> \set #'stemRightBeamCount = #0
> e
> \set #'stemLeftBeamCount = #0
> f g e f g a] r4 }
>
> You could probably add some Scheme code to pick out the middle beams
> with "vertical-count 1" and replace them with a single beam.

Sorry, I don't know when I'll have access to a decent computer (i.e.  
one running LilyPond ;-) ) again, so I can't play around with your  
suggestion right now.

Thanks
Urs

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