
\version "2.2.0"

\header {

texidoc=" Auto change piano staff switches voices between up
and down staves automatically rests are switched along with the coming
note. When central C is reached, staff is not yet switched (by default).

"
}
    \paper { raggedright= ##t }

\score {
	\notes \context PianoStaff <<
	\context Staff = "up" {
		\autochange  \context Voice = VA << \relative c' { g4 c e d c r4 a g } >>
	}
	\context Staff = "down" {
		\clef bass 
		s1*2
	}

	>>
	
}

