\documentclass[12pt, a5paper]{article}
\usepackage{fullpage}
\usepackage{fontspec}
\usepackage{libertine}
\usepackage[autocompile]{gregoriotex}
\usepackage{geometry}    
\geometry{letterpaper, inner=1.0 in,outer=0.5 in, top=0.75 in, bottom=0.75 in}
%%
%% Chris Ruder 31Aug22
%%
\begin{document}
%%--\gresetinitiallines{0}--removes commentary
\grechangestyle{commentary}{\small\it\color{gregoriocolor}}
\gresetheadercapture{commentary}{grecommentary}{}
\begin{center}\begin{huge}\textsc{Offertories}\end{huge}\end{center}
\begin{large}PROPER OF SAINTS\end{large}

\vbox{%
\begin{large}Jun-29 Sts. Peter and Paul-Day\end{large}  
\gregorioscore[a]{Saints/s06-29d} 
\hspace{1in}\\  
}  

\end{document}