Re: change staff

[Gianmaria Lari]

... and this is one more way to do the change staff using a scheme function that toggle between the two staff. 

\version "2.19.54"

#(define staffToggle #f) 

cs= #(define-music-function (parser location) ;cs = Change Staff

           ()

           (begin

            (set! staffToggle (not staffToggle))

            (if staffToggle

                #{ \change Staff = "left" #}

                #{ \change Staff = "right" #})))

right = \fixed c' {

  \clef treble

  \time 2/4

  g8 \cs g \cs e \cs e \cs

}

left = \fixed c' {

  \clef treble

  s2

}

\score {

  \new PianoStaff

  <<

    \new Staff = "right" \right

    \new Staff = "left"  \left

  >>

  \layout { }

}

Not sure it can be more useful than the other ones. Also have no idea if this logic should be written differently. But it has been a nice scheme exercise :)