\vspace{10pt}\red{\small \section*{Sanctus}
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\vspace{10pt}\red{\small \addcontentsline{toc}{section}{Sanctus}
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\vspace{10pt}\red{\small At the end of the Preface the Priest joins his hands and concludes the Preface with the people, singing aloud:
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\includescore{Sanctus.1.tex}
\vspace{10pt}\red{\small Or:
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\includescore{Sanctus.2.tex}