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Re: Beaming and grace notes


From: Rutger Hofman
Subject: Re: Beaming and grace notes
Date: Sun, 30 Nov 2014 11:56:27 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.2.0

Is the original correct? I would guess that a treble clef has been forgotten in the upper staff, at the moment the staff is crossed in the "grace note" run. How else can the run, and especially the cross-staff chords in the last four 1/32 notes make sense?

Rutger

On 11/29/2014 07:49 PM, Knute Snortum wrote:
Ah, I see.  Use two voices so one is the eighth note and the other is
the grace notes with their duration divided over the eighth.  This also
gets me the slur.  Thank you.


Knute Snortum
(via Gmail)

On Sat, Nov 29, 2014 at 10:31 AM, Keith OHara <address@hidden
<mailto:address@hidden>> wrote:

    On Sat, 29 Nov 2014 07:44:39 -0800, Knute Snortum
    <address@hidden <mailto:address@hidden>> wrote:

        Thank you both for your relies.  Keith, your second suggestion
        is what I
        need, if I could designate a zero length note.

        Requirements:

        * An actual eighth note
        * Grace notes need to "attached" with a beam to the eighth note
        * Grace notes add no duration to the measure

        I've attached a picture of the measure.  It has a lot of
        challenges in it
        for me.


    These small notes are not what LilyPond's \grace was designed for,
    but more like the small-note tuplet that Harm pointed out.  We want
    these note to be spaced across the beat, but more quickly than their
    visible duration.

    LilyPond will do most of the beaming you want if you tell her how
    the music splits into two voices at the E-flat.  Ignoring the fact
    that there are two staves for the moment, try something like this:

    \version "2.18.2"
    {
       \key des\major \clef bass \time 2/4
       aes32 bes aes ges
       <<
         {\voiceTwo ees8 ~ ees4 |}
         \new Voice {
           \voiceOne
           \scaleDurations 4/14 {
             ees32[
             \teeny
             \override Stem  #'no-stem-extend = ##t
             \override Stem  #'length-fraction = #0.7
             ges aes bes des' ges, bes, c  des f] ges[ bes c' des']
             \normalsize
             \revert Stem  #'no-stem-extend
             \revert Stem  #'length-fraction
           }
           f'16-> des'
           c32 des c bes,| } >> }

    We should probably put a Debussy example in the user manual (if he's
    in public domain in europe by now) and also make a shorthand for
    \graceStyleOn \graceStyleOff because often we want the style but do
    not want LilyPond's \grace timing.






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