\version "2.13.52"

\paper {
  ragged-right = ##t
}

\header {
  tagline = ##f
}

  one = \relative c' {
    \clef treble \time 4/4
    c8 d e f g f e d | c d e f g f e d | c1 \bar "||"
  }

  two = \relative c' {
    \clef percussion \time 4/4
    c4 c c c | c c c c | c1 \bar "||"
  }

  \score {
      \new StaffGroup <<
      \new Staff {
      \set Staff.instrumentName = "one"
      \one
      }
      \new GrandStaff \with {
      instrumentName = "Two-five" } <<
        \new RhythmicStaff {
        \set RhythmicStaff.instrumentName = "two"
        \two
        }
        \new RhythmicStaff {
        \set RhythmicStaff.instrumentName = "three"
        \two
        }
        \new RhythmicStaff {
        \set RhythmicStaff.instrumentName = "four"
        \two
        }
        \new RhythmicStaff {
        \set RhythmicStaff.instrumentName = "five"
        \two
        }
      >>
      \new Staff {
      \set Staff.instrumentName = "six"
      \one
      }
    >>
    \layout { }
  }