Re: Odd note placement

[tisimst]

Guy,

On Tue, May 12, 2015 at 10:16 PM, Guy Stalnaker-2 [via Lilypond] <[hidden email]> wrote:

All,

I cannot figure out why LP is doing this. The snippet is below. Note the second to last blank measure and the following measure with the b-flat, a "chord" which should not be a chord. The two notes should not be simultaneous. The "problem" seems to be the Lyrics added to the temporary polyphonic context "soptwomusic" - if they are removed, the final two pitches are engraved correctly in two separate measure. Add the Lyrics and you see the result. You do see the result, don't you? :-)

I'm using LP 2.19 with Frescobalci 2.18.x. on a Win7 computer.

<code>
\version "2.18.2"
\language "english"

\paper {
  #(set-paper-size "letter")
}

global = {
  \key d \major
  \numericTimeSignature
  \autoBeamOff
}

% soprano music here

sopranomusic = {
  \global
  \time 3/4
  <<
    {
      \voiceOne
      fs''4 fs'' fs'' |
      a'2. |
      b''4 b'' b'' |
      c'''2. |
    }
    { \new Voice
      {
        \voiceTwo
        ds''4 ds'' ds'' |
        a'2. |
        fs''4 fs'' fs'' |
        a''2. |
      }
    }
  >> \oneVoice
  c''4 g'8 c' g'
  <<
    {
      \voiceOne
      c''8 |
      b'2. |
    }
    { \new Voice = "soptwomusic"
      {
        \voiceTwo
        c''8 |
        g'4 f' e' |
      }
    } \new Lyrics = "soptwomusic" \lyricsto "soptwomusic" {
      Al -- le -- lu -- ia
    }
  >> \oneVoice   
  bf'2. |
  a' |
}

sopranowords = \lyricmode {
  Al -- le -- lu -- ia,
  Al -- le -- lu -- ia,
  Al -- le -- lu -- ia,  
  Al -- le -- lu -- ia,  
}

sopranoStaff = {
  \new Staff { \sopranomusic }
  \addlyrics { \sopranowords }
}

\score {
  \new ChoirStaff << 
    \sopranoStaff
  >> 
  \layout {  }
  \midi {
    \tempo 4=100
  }
}

</code>

Thanks.

Please reply to both me and the list.

Guy Stalnaker

This is, indeed, a strange bug. My only guess is that LP is having a hard time differentiating between voices since they are partially implicit and the main lyrics are implicitly attached, too. Just a guess, though. 

FYI, this bug doesn't happen in the latest unstable, but here's what you can (should?) do to make it work "normally" with 2.18.2: move the temporary soprano two lyrics out to the staff-level and make the soprano one voice more explicit, like this:

<code>

\version "2.18.2"

\language "english"

\paper {

  #(set-paper-size "letter")

}

global = {

  \key d \major

  \numericTimeSignature

  \autoBeamOff

}

% soprano music here

sopranomusic = {

  \global

  \time 3/4

  <<

    {

      \voiceOne

      fs''4 fs'' fs'' |

      a'2. |

      b''4 b'' b'' |

      c'''2. |

    } 

    { \new Voice 

      {

        \voiceTwo 

        ds''4 ds'' ds'' |

        a'2. |

        fs''4 fs'' fs'' |

        a''2. |

      }

    }

  >> \oneVoice 

  c''4 g'8 c' g' 

  << 

    {

      \voiceOne

      c''8 |

      b'2. |

    }

    { \new Voice = "soptwomusic"

      {

        \voiceTwo

        c''8 |

        g'4 f' e' |

      }

    }

  >> \oneVoice    

  bf'2. |

  a' |

}

sopranowords = \lyricmode {

  Al -- le -- lu -- ia, 

  Al -- le -- lu -- ia, 

  Al -- le -- lu -- ia,   

  Al -- le -- lu -- ia,   

}

sopranoStaff = <<

  % make the soprano one voice explicit here

  \new Voice = "soponemusic" { \sopranomusic }

  

  % make the lyrics explicitly assigned

  \new Lyrics \lyricsto "soponemusic" { \sopranowords } 

  \new Lyrics \lyricsto "soptwomusic" { Al -- le -- lu -- ia }

>>

\score {

  \new ChoirStaff <<  

    \sopranoStaff

  >>  

  \layout {  }

  \midi {

    \tempo 4=100

  }

} 

</code>

I've found that putting lyrics outside and doing explicit assignments like this always seems to help, but like I said above, you can do exactly what you've coded in the latest unstable and it works like you expect it to.

- Abraham

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