alleluia1-main.tex

\documentclass[12pt, a4paper]{article}
\usepackage{palatino}
\usepackage{tgtermes}
\usepackage[utf8]{inputenc}
\usepackage{gregoriotex}
\usepackage{gregoriosyms}
\pagestyle{empty}
\begin{document}

\begin{center}\begin{huge}\textsc{}\end{huge}\end{center}

\setspaceafterinitial{3.2mm plus 0em minus 0em}
\setspacebeforeinitial{3.2mm plus 0em minus 0em}

\def\greinitialformat#1{%
{\fontsize{43}{43}\selectfont #1}%
}

\setfirstlineaboveinitial{\small \textsc{\textbf{ }}}{\small \textsc{\textbf{ }}}
\commentary{{\small \emph{}}}
\setgrefactor{17}
\spaceabovelines=5mm
\includescore{alleluia1.tex}

\end{document}