\score {
\context Voice \notes\relative c {
g''4 \property Voice.Stem \set #'length = #14 g4
\property Voice.Stem \set #'length = #3 g4 g,,4
}
\score {
\context Voice \notes\relative c {
g''4 \property Voice.Stem \set #'length = #14 g4
\property Voice.Stem \set #'length = #3 g4 g,,4
}