\version "2.18.2"
\language "english"


% "global" contains meter, key, and tempo changes,
% and any rehearsal marks or markups that need to appear in all parts

global = {
  \numericTimeSignature
  \tempo 2 = 88
  \time 2/2 s1*3
  \tempo \markup { \fontsize #-2 { \note #"2" #1 "=" \note #"4." #1 } }
  \time 6/8 s2.
  \tempo \markup { \fontsize #-2 { \note #"4." #1 "=" \note #"2" #1 } }
  \time 2/2 s1*2
}


% Just the notes -- no need to copy anything from "global"

obNotes = \relative c'' {
  R1*3
  e8.\mp\< ( d16 ) f8 ~ ( f16 e ) g8. ( f16\! )
  R1*2
}

% entered in C (I prefer to think in concert pitch)
clNotes = \relative c {
  e4\f d8 ( e f4 ) e8 ( d
  e4 ) cs2 e4
  d8 ( e f4 ) g2
  R2.
  e4\f d8 ( e f4 ) g ~
  g\> f d'4. ( c8\! )
}

bsnNotes = \relative c {
  \clef bass
  r4 bf\f af g
  fs e g f
  af g bf a
  \clef tenor
  g''8\mp\< ( f ) e-. d-. cs4->\!
  \clef bass
  r2 bf,4\f a
  bf\> g a8 ( bf c4\! )
}

\paper {
  left-margin = 1.8\cm
  line-width = 18.2\cm
  right-margin = 1\cm
  ragged-bottom = ##t
  ragged-last-bottom = ##t
}

\header {
  title = "Demo: Score and parts organization in LilyPond"
  subtitle = \markup { Excerpt from \italic "Theme and Variations" }
  composer = "H. James Harkins"
  copyright = "Licensed under Creative Commons CC-BY-NC-SA 4.0"
  poet = "Score in C"
}

\score {
  \new StaffGroup <<
    \new Staff \with {
      instrumentName = "Oboe"
      shortInstrumentName = "Ob."
    }
    % this expression runs "global" simultaneously with the oboe notes
    << \global \obNotes >>
    
    \new Staff \with {
      instrumentName = "Clar. in A"
      shortInstrumentName = "Cl."
    }
    << \global \clNotes >>
    
    \new Staff \with {
      instrumentName = "Bassoon"
      shortInstrumentName = "Bsn."
    }
    << \global \bsnNotes >>
  >>
  \layout {
    % This won't matter for this excerpt,
    % but I generally like to "French" my scores
    \context { \Staff \RemoveEmptyStaves }
  }
}

\pageBreak

\markup {
  \column {
    \vspace #2
    \bold "Oboe part"
    \vspace #1
  }
}

% The part then consists of just a single staff,
% using only the required notes.
% It should be clear in the PDF what \compressFullBarRests does.
% The \override forces the horizontal bar for rests of two bars or more,
% instead of using LilyPond's default Kirchenpausen.
% It's not shown here, but LilyPond will automatically break
% multi-measure rests for key/tempo/meter changes etc. in "global."

\score {
  \new Staff <<
    \global
    {
      \compressFullBarRests
      \override MultiMeasureRest.expand-limit = #1
      \obNotes
    }
  >>
}


\markup {
  \column {
    \vspace #2
    \bold "Clarinet in A part"
    \vspace #1
  }
}


% ... and the \transpose function handles non-C instruments

\score {
  \new Staff << \global \transpose a, c \clNotes >>
}


\markup {
  \column {
    \vspace #2
    \bold "Bassoon part"
    \vspace #1
  }
}

\score {
  \new Staff << \global \bsnNotes >>
}