\usepackage{a4wide}
\title{Mudela and LilyPond crash course}
\author{Han-Wen Nienhuys}
+\date{October 20, 1997}
\def\file#1{{\texttt{#1}}}
\begin{document}
+FIXME rewrite starting here.
+
\begin[verbatim]{mudela}
\score {
\melodic { % {...} is a voice