\header {

  texidoc = "Quarter tone notation is supported, including
    threequarters flat."
}
\version "2.7.39"
\layout { ragged-right = ##t }

\relative c'' {
  \time 12/4 
  ceses4
  ceseh
  ces
  ceh
  c
  c
  cih
  cis 
  cisih
  cisis
}