\version "2.16.1"
 
%zweite Zeile ohne Text?
\relative c'' {
d8 d d d r8 
\once \override TextSpanner #'extra-offset = #'(0 . 1) \once \override TextSpanner #'(bound-details left text) =  "rit." d\startTextSpan r d r \bar " "
\break
d r d\stopTextSpan 
}