Re: simple choral example: warnings/clashes and no midi

[Thomas Morley]

2012/11/26  <address@hidden>:
>
> I am still relatively new to lilypond.
> I have a simple four voice choral attached.
>
>
> (1)
> This example produces numerous warnings about
> clashing notes which look like:
>
>     choral-beethoven-moonlight-01-simple.ly:16:62: warning: ignoring too many 
> clashing note columns
>         e'2  e'2   e'2   fs'2    fs'2  e'2   ds'!2   ds'    cs'
>
> Why is this happening?

Because of "many clashing note columns"  ;)
To avoid this use \voiceOne and \voiceTwo, or write chords

>
> (2)
> Also, this example fails to produce a midi file.
> Can someone explain what I am doing wrong?

\midi should be _in_ score:

\score {
\new PianoStaff { ... }
\layout { ... }
\midi { ... }
}

> (3)
> As far as the structure of my file:
>
>   \new PianoStaff
>   <<
>      \new Staff = "up"
>      {
>        <<
>        \new Voice = "up" { }
>        \new Voice = "up" { }
>        >>
>      }
>      \new Staff = "down"
>      {
>        <<
>        \new Voice { }
>        \new Voice { }
>        >>
>      }
>   >>
>   }
>
> Is this considered an example of "best practice", or how
> might others structure a four voice choral.
>
>
> (4)
> Finally, at the beginning of the four measure in
> the soprano and alto, the d# and c# collide.
> I would have thought lilypond would have taken care
> of this.  What do I need to do to fix this?

See above.

HTH,
  Harm