%%LSR contributed by vv on https://lists.gnu.org/archive/html/lilypond-user/2020-06/msg00070.html addTicks = #(define-music-function (m) (ly:music?) #{ << $m \new Devnull \with { \consists Drum_note_performer \consists Staff_performer \consists Dynamic_performer midiInstrument = #"woodblock" } \drummode { <>\ff \repeat unfold $(ly:moment-main-numerator (ly:moment-div (ly:music-length m) (ly:make-moment 1 4))) rb4 }>> #}) music = \relative c' { c2\pp d e f g a b c } \score { \new Staff \addTicks \music \layout {} \midi {} }