\version "2.24.4" 

\header {
  title = "Piece of Test"
}

global = {
  \time 3/4
  \key a \minor
}

\parallelMusic right, left {

<<
    {
      \voiceOne
      <gis d'>2 <a c'>4~ 
    }
    \new Voice {
      \voiceTwo
      e2.~
    }
  >> |
  r4 \grace ais,16 b,4 r4 |
  <<
    {
      \voiceOne
      <a c'>2 r4
    }
   \new Voice {
     \voiceTwo 
     e2 r4
   }
  >> |
  \grace gis,16 a,4 r4|
  
}

\score {
  
  
  \new PianoStaff \with { instrumentName = "Piano" }
  
  <<
    \new Staff {
      \global 
      \right
    }
    \new Staff {
      \global
      \clef bass
      \left
    }
  >>
   \layout {}
}