\version "2.16.1"
\relative c' {
  \repeat volta 2 {c4 e~} \alternative {{g d c1} {\partial 2 e4\repeatTie d c1}} 
  \repeat volta 2 {c4 e\laissezVibrer} \alternative {{g d c1} {\partial 2 e4\repeatTie d c1}} 
}