\version "2.13.19"

\header {
  title =\markup \center-column {"Tre romanze"" V" "Guitar"}
}

\paper {
  #(set-paper-size "a4")
}

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

classicalGuitar = \relative c' {
  \global
  % Qui segue la musica.
  c4 d e f|
}

\book {
  \score {
    \new Staff \with {
      midiInstrument = "acoustic guitar (nylon)"
    } { \clef "treble_8" \classicalGuitar }
    \layout { }
    \midi {
      \context {
        \Score
        tempoWholesPerMinute = #(ly:make-moment 100 4)
      }
    }
  }
}