Re: More questions about using Lilypond for guitar music

[Knute Snortum]

I don't have benddefs.ily so I couldn't test this, but I think it would look like this: (you can of course remove the comments to make the number of lines fewer)

%%%%%%%%%%%

\version "2.18.0"

\include "benddefs.ily"

\score {

  <<

    \new Staff { \clef "treble_8"

      \bendOn

      a'4 ( b' )( a' ) \bendOff \hideNotes 

        \shape #'(

                   (-0.5 . 0.0)  % Starting point (x, y)

                   (0.0 . 0.0)   % Bend point, left

                   (0.0 . 0.0)   % Bend point, right

                   (-0.5 . 0.0)  % Ending point

                   ) Slur

        \grace a' ( \unHideNotes g' ) |

      a' ( b' ) a'2 |

    }

    \new TabStaff {

      \set TabStaff.minimumFret = #8

      \bendOn

      a'4 ( b' )( a' ) \bendOff \hideNotes 

        \shape #'(

                   (-0.5 . 0.0)  % Starting point (x, y)

                   (0.0 . 0.0)   % Bend point, left

                   (0.0 . 0.0)   % Bend point, right

                   (-0.5 . 0.0)  % Ending point

                   ) Slur

        \grace a' ( \unHideNotes g' ) |

      a' ( b' ) a'2 |

    }

  >>

}

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

Knute Snortum

(via Gmail)

On Wed, Jun 11, 2014 at 11:29 AM, Martyn Quick <address@hidden> wrote:

From: Federico Bruni <address@hidden>

2014-06-10 23:50 GMT+02:00 Martyn Quick <address@hidden>:

Thank you for the kind person who helped me out the last time I was trying to get to grips with Lilypond and guitar music.  I suspect these two are more challenging.

1. Is it possible at all to combine bends with hammer-on / pull-offs at all?  (e.g., a hammer-on immediately followed by a bend, or a bend-release followed immediately by a pull-off)  From what I read, the answer is no - since the current implementation of bend hacks the slur, which is what is also used for hammer-on / pull-offs.  (And if that is the case, is there any chance it will be addressed at some point?)

> The problem and the workaround are described in the current home of bend.ly:
> https://github.com/openlilylib/snippets/tree/master/notation-snippets/guitar-string-bending
>
> """
> You can't use hammer-on and pull-off when > \bendOn > is active, because this snippet uses and transforms the slur engraver. This implies that you cannot, > for instance, start a pull-off right after a bend release. This is one of the reasons why a bend
> engraver is needed (see issue 1196 above). However, you can work around this problem by adding > an hidden grace note where the pull-off should start; you may have to use the > \shape > command to adjust the slur shape.

>
> """

I presume that this means something like the following:

\version "2.18.0"

\include "benddefs.ily"

\score {

  <<
    \new Staff { \clef "treble_8"
      \bendOn
      a'4 ( b' )( a' ) \bendOff \hideNotes \grace a' ( \unHideNotes g' ) |
      a' ( b' ) a'2 |
    }

    \new TabStaff {
      \set TabStaff.minimumFret = #8
      \bendOn
      a'4 ( b' )( a' ) \bendOff \hideNotes \grace a' ( \unHideNotes g' ) |
      a' ( b' ) a'2 |
    }
  >>

}


I don't know how to make the suggested adjustment to the slur shape with \shape.

Martyn

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