\version "2.13.10"
#(set-default-paper-size "a4")
#(set-global-staff-size 15.5)

\header {
  title = "Serben-Quadrille"
  composer = "Johann Strauss Sohn (1825-1899)"
  subtitle = "Arrangement for String Trio"
}

\paper {
  ragged-right = ##f
  ragged-last = ##f
  ragged-bottom = ##f
  ragged-last-bottom = ##f
}

myTitlePageMarkup = \markup \column {
  "Here comes a nice titlepage (full page)..."
}
\paper {
  bookTitleMarkup = \myTitlePageMarkup
}

sc = \score {
  <<
  \new Staff \relative c'' { \repeat unfold 15 {c''4 c,,,, c'' c}}
  \new Staff \relative c'' { \repeat unfold 15 {c4 c c c}}
  \new Staff \relative c'' { \repeat unfold 15 {c4 c c c}}
>> \header { piece = "Test"} 
}


% The bookTitleMarkup should be on its own page, so we need to insert a page break
\pageBreak
\score { \sc }
\score { \sc }
\score { \sc }
\score { \sc }
% Without the following page break, the music fits on two pages, where the first
% four scores take ~1.33 pages, the final score takes ~0.66 pages.
% If I want to force a page break before the final score (should be one one page
% by itself), the first four scores suddenly take 3 (!!!!) pages instead of 
% the expected two pages...
% Just insert the following page break and the whole score will increase from 
% 3 pages to 5 instead of 4:

% \pageBreak

\score {
  <<
  \new Staff \relative c'' { \repeat unfold 40 {c4 c c c}}
  \new Staff \relative c'' { \repeat unfold 40 {c4 c c c}}
  \new Staff \relative c'' { \repeat unfold 40 {c4 c c c}}
>> \header { piece = "Test"} 
}