\version "2.16.2"

global = {
  \key bes \major
  \time 4/4
}

right = \relative c'' {
  \global
  
   \appoggiatura g'16
   \partial 4 f8 ees16 d |
  
}

left = \relative c' {
  \global
  
  r4 \clef treble |
  
}

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