# Fwd: Re: extended piano 4 staves system

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## Fwd: Re: extended piano 4 staves system

Forgot CCing to the list ...

-------- Weitergeleitete Nachricht --------
Betreff: Re: extended piano 4 staves system Mon, 18 Feb 2019 12:02:46 +0100 Urs Liska [hidden email] Peter Renner-Motz [hidden email]

Hi Peter,

there's no simple solution to cover *100%* of what you are looking for, but generally you are thinking too complicated.

Basically this is done not by adding staff lines to the upper and lower staff but by adding real staves. You want to have a PianoStaff that includes four staff definitions. An arbitrary number of voices can then freely move around between the staves.

One thing to note is that the staves have to be "kept alive" when there is no music playing in them.

The following score is one way how you can write that. As it is one thing it does *not* provide is the ability to autochange the staff, which probably only works between the middle two staves. I assume it should be feasible to write a function that can distribute pitches over more than two staves, but that's (AFAIK) not a readily available functionality.

HTH
Urs

\version "2.19.82"

% Needed to keep unused staves alive
keepAlive = { s1*6 }

% Right hand music
right = \relative {

}

% Left hand music
left = \relative {
<> % needed to make the staff change possible
\change Staff = "four"
c,,,4 e g c |
e g
\change Staff = "three"
c e |
g c e g |
\change Staff = "two"
c e g c |
e g
\change Staff = "one"
c e |
g c e g
}

\score {
\new PianoStaff <<
\new Staff = "one" <<
\keepAlive
{
\clef "treble^15"
}
>>
\new Staff = "two" <<
\keepAlive
{
\clef treble
\right
}
>>
\new Staff = "three" <<
\keepAlive
{
\clef bass
\left
}
>>
\new Staff = "four" <<
\keepAlive
{
\clef "bass_15"
}
>>
>>
}


Am 18.02.19 um 03:52 schrieb Peter Renner-Motz:
Hello everyone,

being new to lilypond I'm searching for a possibility to engrave a 4 staves extended piano score like the one shown in the screenshot.
(showing all C's).
I tried to add lines with StaffSymbol.line-positions = ... But for intuitive readability I'd like to have this logic of repeating the bass/treble key (so there have to be equally three ledgers in the space from the inner to the outer systems. (moreover: adding lines is conflicting with auto change as I would like to use it)
Can anyone help with this? I would be glad hearing that this is possible.

Best
Peter

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