what's wrong?

[Ole Schmidt]

Hi,


Can someone please take a look at my code- it compiles whithout an errorwarning 
but looks very strange.
Maybe I overlooked something simple?

thanks

ole


%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\version "2.13.7"

staffMezzosoprano = \new Staff {
        \time 3/4
        \set Staff.instrumentName = ""
        \set Staff.midiInstrument = "choir aahs"
        \key ees \minor
        \clef treble
        \relative c'' {         
                \context Voice = "melodyMez" { bes4 ges f \time 2/4 es2 \time 
3/4 es4 as ces ces f,2 ~
%Zweite_Zeile:  
                                                \time 2/4 f4 r4         \time 
3/4 f4 ges as bes f2~ f4 ges f es r r \time
                                                2/4 R2
%Dritte Zeile:
\time 3/4 bes'4 ges f \time 2/4 es2 bes'4 des ces ces f,2~ \time 2/4 f4 r \time
3/4 f4 ges as
%Vierte Zeile:
bes4 f2~ f4 ges f es r r \time 2/4 R2 \time 3/4 des'4 des es es2 bes4~
%Fünfte Zeile
\time 2/4 bes4 bes~ \time 3/4 bes4 des2 des4 ces2~ \time 2/4 ces4 r \time 3/4
ces4 ces ces des2 as4~
%ZweiteSeite_erste Zeile:
as4 as a bes2 r4 \time 2/4 R2 \time 3/4 bes4 bes bes \time 2/4 es2~ \time 3/4
es4 bes2 bes des4
%zweite_Zeile:
des4 ces2~ \time 2/4 ces4 r \time 3/4 ces4 ces ces des2 des4~ \time 2/4 des4
des~ \time 3/4 des4 des 2 des2.~
%dritte Zeile:
des4 r des->~ des es2-> \time 2/4 des-> \time 3/4 bes2.->~ \time 2/4 bes4 ges->~
\time 3/4 ges4 as4.-> bes8->~ bes2.->
%Vierte Zeile:
bes4 r des->~ des4 es4.-> bes8-> bes4-> r4 r \time 2/4 r4 ges->~ \time 3/4 ges4
as-> bes-> ces2.~
%Fünfte Zeile:
ces4 r as->~ as4 as4.-> g8.-> as2-> as4-> as4.->( bes8->) ces4-> des2.~ des4 r
ces->~
%sechste Zeile:
ces4 bes-> ges-> as2-> des4-> des2-> des4->~ des des2->~ des2.~ \time 2/4 des2 
\time 3/4 r2. \time 2/4 r2 

%siebte Zeile:
\time 3/4 bes4 ges f \time 2/4 es2 \time 3/4 es4 as ces ces f,2~ \time 2/4 f4 r
\time 3/4 f4 ges as
%achte Zeile
bes4 f2~ f4 ges f es r r \time 2/4 r2 \time 3/4 bes4 ges f \time 2/4 es2  
%dritte Seite Zeile1:
bes4 des ces ces f,2~ \time 2/4 f4 r \time 3/4 f4 ges as bes f2~ f4 ges f
%zweite Zeile:
es4 r r \time 2/4 r2 \time 3/4 des'4 des es es2 bes4~ \time 2/4 bes4 bes~ \time
3/4 bes4 des2 des4 ces2~
%dritte Zeile
\time 2/4 ces4 r \time 3/4 ces ces ces des2 as~ as4 as a bes2 r4 \time 2/4 r2
%vierte Zeile:
\time 3/4 bes4 bes bes \time 2/4 es2~ \time 3/4 es4 bes2 bes des4 des4 ces2~
\time 2/4 ces4 r 
%fünfte Zeile:
\times 3/4 ces4 ces ces des2 des4~ \time 2/4 des4 des~ \time 3/4 des4 des2
des2.~ des4 r des-> ~ des4 es2->
%sechste Zeile:
\time 2/4 des2-> \time 3/4 bes2.~ \time 2/4 bes4 ges->~ \time 3/4 ges as4.->
bes8-> bes2.-> ~ bes4 r des->~  des4 es4.-> bes8->
%siebte Zeile:
bes4 r r \time 2/4 r4 ges4~ \time 3/4 ges4 as-> bes-> ces2.~ ces4 r as->~ as4
as4.-> g8-> as2-> as4-> as4.-> bes8-> ces4->
%Zeile acht:
des2.~ des4 r ces~ ces bes-> ges-> as2-> des4-> des2-> des4->~ des des2-> des2.~
\time 2/4 des2. \bar "||"
                                
                }


        }

}


\score {
        <<
                \staffMezzosoprano
        
                
        >>
        
        \midi {
        }

 \layout {
 }
}

\paper {
}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%