Re: Staff change in piano music - a general approach?

[Michael Ellis]

Hi Tobias,

This topic is also of interest to me, so I googled for "lilypond piano reduction" and eventual found the vocal template with automatic piano reduction, from which I derived the example below.  It uses \partcombine which, perhaps unfortunately, takes only two arguments.  However, I found that I could put two rhythmically similar parts in <<  >> and get the desired effect.

HTH,

Mike

sopMusic = \relative c'' {

  e4 e e8[( d)] e4

}

mezzoMusic = \relative c'' {

  c4 c c8[( b)] c4

}

altoMusic = \relative c' {

  e4 f d e

}

tenorMusic = \relative c' {

  g4 a f g

}

bassMusic = \relative c {

  c4 c g c

}

\score {

  <<

    \new PianoStaff <<

      \new Staff <<

        \set Staff.printPartCombineTexts = ##f

        \partcombine << \sopMusic \mezzoMusic >> \altoMusic 

      >>

      \new Staff <<

        \clef bass

        \set Staff.printPartCombineTexts = ##f

        \partcombine  \tenorMusic  \bassMusic 

      >>

    >>

  >>

}        

On Thu, Dec 30, 2010 at 5:21 AM, Phil Holmes <address@hidden> wrote:

Just checking - you can obviously do what you want from a presentation perspective, since you've provided an example that looks like it came from LilyPond.  I presume you did this using chords, but you want to avoid using chords in your application?

The way I would do this would be to use:

\override NoteColumn #'ignore-collision = ##t

and then set the alto and soprano parts in voiceOne, and the tenor part in voiceTwo.  You do not need to set these for the duration of the piece, so when you cross the tenor part to the other stave, you can put the command \voiceTwo in the alto part and it will now be set into the second voice. You can also set \voiceOne for the tenor part.  You may also want to do:

\override NoteColumn #'ignore-collision = ##f

at the same point.

Let us know how you get on.

--
Phil Holmes


----- Original Message ----- From: "Tobias Braun" <address@hidden>
To: "Phil Holmes" <address@hidden>
Cc: <address@hidden>; "LilyPond User Group" <address@hidden>
Sent: Thursday, December 30, 2010 1:50 AM
Subject: Re: Staff change in piano music - a general approach?

Sorry about the "reply all" thing, I forgot that.

I wasn't aware I was sending an HTML e-mail, sorry. That must have been my webmail client.

What I actually want to achieve is to have it look as uncluttered as possible. It should be easy to read when playing it on the piano. I'd basically like to merge all three voices into as few stems as possible. E.g. the notes of the first beat in measure 1 which basically form a chord consisting of three notes of the same duration played at the same time should appear as "stacked", not next to each other. There is no need to be able to distinguish the individual voices.

As this is kind of hard to describe, please have a look at the attached PDF. I guess I'd prefer the first measure to look like "Variant 1", but "Variant 2" would be acceptable as well. (I achieved this sample PDF through <> chord syntax, which is not of much use to me as I already have the individual voices in continuous form.)

Regards,
Tobias

_______________________________________________
lilypond-user mailing list
address@hidden
http://lists.gnu.org/mailman/listinfo/lilypond-user

partcombine.png
Description: PNG image