\version "2.19.80"
\language "english"

\include "oll-core/package.ily"
\loadPackage edition-engraver

\addEdition test

\editionMod test 1 0/4 Piano.RH.Voice.A {
  \once \override NoteHead.color = #green
}

\editionMod test 1 0/4 Piano.LH.Voice.A {
  \once \override NoteHead.color = #green
}

\consistToContexts #edition-engraver Score.PianoStaff.Staff.Voice

\score {
  \new PianoStaff \with { \editionID Piano } <<
    \new Staff \with { \editionID RH } <<
      \new Voice \relative c'' { \voiceOne c4. d8 d4. g8 | e4.( d8 c b g4) }
      \new Voice \relative c'' { \voiceTwo a2. g4~ | g f2 e4 | }
    >>
    \new Dynamics { s1\mp }
    \new Staff \with { \editionID LH } { << \clef F
      \new Voice \relative c' { \voiceOne e8 d c4  d8 c b4 | c8 b a2 g4 | }
      \new Voice \relative c { \voiceTwo f2 e | d g,4 c | }
    >> }
  >>
}