\version "2.17.18"

\paper {
  indent = 0
}

pattern = { 
  c2[ r r c] r r r |
  c2[ r r c r r c] |
  c2[ r r c r c] r |
  c2[ r r c r c c] 
}

I =  {
  \time 7/2
  \pattern
}



\layout {
  \context {
    \Score
    %\remove Timing_translator
  }
  \context {
    \DrumStaff
      %\consists Timing_translator
      \override StaffSymbol #'line-count = #1
  }
  
}

\score {
  <<
    \new DrumStaff \drummode { \I }
  >>
  \layout { }
}