%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
r4
\override Glissando #'style = #'zigzag
\override Glissando #'color = #'green
des2.\glissando\< \bar "'" 
fis,1~\> \bar "'" 
\tieHalfDashed fis,2~ \hideNotes fis,2~   \bar "'" 
\tieHalfDashed fis,2~   fis,2~ \unHideNotes   \bar "'" 
a'1 \bar "'" 
r1 \bar "'" 

%\override Staff.BarLine #'color = #red
< g' fis'>1  \bar "||"
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%