Re: Organ pedal foot substitution

[tisimst]

Joseph,

On Wed, Feb 24, 2016 at 5:46 PM, Joseph N. Srednicki-2 [via Lilypond] <[hidden email]> wrote:

Could someone possibly tell me how to code alternate foot organ pedal substitution as shown in the attached image file attach_a.png?

 

This image is from Dickinson, Clarence. The Technique and Art of Organ Playing. London: H. W. Gray, 1922, p. 117. (Note this book is available from the IMSLP site.)

 

(Some editors also use curved lines with arrows as shown in the attached image file attach_b.png. This solution with the curved arrows will also work for my purposes if it’s easier to code.)

 

I located the following related thread in the mail archive: https://lists.gnu.org/archive/html/lilypond-user/2007-12/msg00386.html. The solution proposed in that thread works for same foot substitution, and I intend to use it. However, that solution does not work to indicate alternate foot substitution.

 

If there is a solution in the mail archive or snippets that I have overlooked, please feel free to point me to it.

 

Thanks for any suggestions or solutions.

Here's a working solution that you can customize to your taste (the width of the new markups, controlled by the \draw-line command's x-component, may need to be adjusted depending on the horizontal spacing of your intended usage):

%%%%%%%%%%%%%%%%

\version "2.18.2"

heelToToe = \markup {

  \halign #-1.2

  \concat{

    \raise #0.5

\musicglyph #"scripts.upedalheel"

\hspace #0.5

    \with-dimensions #'(0 . 0) #'(0 . 0) \concat {

      \draw-line #'(3 . -5.5)  % <-- controls width

      \lower #5.5 \musicglyph #"scripts.dpedaltoe"

    }

  }

}

toeToHeel = \markup {

  \halign #-1.3

  \concat{

    \musicglyph #"scripts.dpedaltoe"

    \with-dimensions #'(0 . 0) #'(0 . 0) \concat {

      \draw-line #'(3 . 5)  % <-- controls width

      \raise #5.5 \musicglyph #"scripts.upedalheel"

    }

  }

}

music = {

  \clef bass

  c,2_\rtoe g,^\heelToToe |

  c2^\heelToToe g^\heelToToe |

  c'2\rtoe g_\toeToHeel |

  c2_\toeToHeel c,_\rtoe \bar "|."

}

{ \music }

\layout { 

  indent = 0

  ragged-right = ##f

} 

%%%%%%%%%%%%%%%%

HTH,

Abraham

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