\version "2.12.0"
\header {
  texidoc = "
  Tremolo repeats can be constructed for short tremolos (total duration smaller than 1/4) too. Only some of the beams are connected to the stems. 
  "
}
\layout { ragged-right = ##t }


\context Staff  \relative c' {
  \repeat "tremolo"  2 { c32 e32 }
  \stemDown
  \repeat "tremolo"  2 { c32 e32 }
}