\version "2.19.35"

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

upper = \relative c'' {
  \clef treble
  s1 a4 b c d
}

lower = \relative c {
  \clef bass
  s1 a2 c
}

dynamics = {
  \override DynamicText.extra-spacing-height = #'(-inf.0 . +inf.0) % "glue"!
  \override DynamicText.extra-spacing-width  = #'(-0.2 . 0.2) % bar avoidance
  s1 s2\fff\> s4 s\!\pp
}

pedal = {
  s1 s2\sustainOn s\sustainOff
}

\score {
  \new PianoStaff = "PianoStaff_pf" <<
    \new Staff = "Staff_pfUpper" << \global \upper >>
    \new Dynamics = "Dynamics_pf" \dynamics	
    \new Staff = "Staff_pfLower" << \global \lower >>
    \new Dynamics = "pedal" \pedal
  >>
  \layout { }
}