\version "2.24.2"


drum = \drummode {
  sn16:128^"R" sn16:128^"l" sn16:128^"r" sn16:128^"l"

}

\score {
  \new DrumStaff \with {} \drum
  \layout { }
}


drum = \drummode {
  sn16^"R"^"L" sn^"r"^"l" sn^"r"^"l" sn^"r"^"l"

}

\score {
  \new DrumStaff \with {} \drum
  \layout { }
}