\documentclass[a4paper,twoside,openany,10pt,swedish]{book}
%\documentclass[a4paper,twoside,openany,10pt,swedish,draft]{book}

\input{choirbook.tex}
\input{start.tex}

\begin{document}
\include{stabat_mater_header.tex}

\newpage
\input{stabat_mater_preface.tex}
\vspace{2ex}
\input{stabat_mater_text.tex}
\vfill
\input{stabat_mater_adm.tex}

\newpage
\pagestyle{fancy}

\input{stabat_mater_01e.tex}
\input{stabat_mater_04e.tex}
\newpage
\input{stabat_mater_07e.tex}
\input{stabat_mater_09e.tex}

\end{document}