\version "2.18.2"

\parallelMusic #'(voiceA voiceB voiceC) {
  \grace d'8 c'1 \bar "|." 	|
  \grace d'8 c'1		|
  \grace d'8 c'1		|
}

<<
 \new Staff = "1" \with { instrumentName =
			      \markup \center-column { Voice mensural } }
   \new Voice \with { $(add-grace-property 'Voice 'NoteHead 'style 'mensural)
		      $(add-grace-property 'Score 'NoteHead 'style 'cross) }
   { \voiceA }

 \new Staff = "2" \with { instrumentName =
			      \markup \center-column { Voice diamond } }
   \new Voice \with { $(add-grace-property 'Voice 'NoteHead 'style 'diamond) }
   { \voiceB }

 \new Staff = "3" \with { instrumentName =
			      \markup \center-column { Score cross } }
   \new Voice
   { \voiceC }
>>