\version "2.23.5"

Harmony = \chordmode {
  | g1 | s
  | g:m | s
  | r | g
}

RhythmGuitar = \relative c'' {
  \improvisationOn
  | b1~ | b
  
  | b8 b \deadNote b b b b \deadNote b b~
  | b b \deadNote b b b b \deadNote b \deadNote b
  
  \improvisationOff
  | g, g g g g g g g
  
  \improvisationOn
  | g4 r r2
  \bar "|."
}

Picking = {
  | s1\downbow | s
  
  | s8\downbow s\upbow s\downbow s\upbow s\downbow s\upbow s\downbow s\upbow
  | s s\upbow s\downbow s\upbow s\downbow s\upbow s\downbow s\upbow
  
  | s\downbow s\upbow s\downbow s\upbow s\downbow s\upbow s\downbow s\upbow
  
  | s1\downbow
}

\score {<<
  \new ChordNames \Harmony
  \new Voice \with {\consists "Pitch_squash_engraver"} \RhythmGuitar
  \new Dynamics \Picking
>>}