made section templates more flexible

templates/musician_scores.tt

@@ -71,9 +71,9 @@ RawFeature = {+ss06}
 
 \begin{document}
 \section*{[% title %]}
-\begin{centering}
 [% subtitle %]
-\end{centering}
+\vfill
+[% parts %]
 
 [% USE song_choices = datafile("${config_dir}/song_choices.csv", delim= '|') %]
 [% IF parts == 0 -%]
@@ -81,14 +81,13 @@ parts = ensemble
 [% END -%]
 [% FOREACH song = song_choices %]
 \newpage
-[% template = song.template == '' ? "song_template.tt" : song.template -%]
-[% INCLUDE "$template"
+[% template = song.template == '' ? "song_template.tt" : song.template;
+INCLUDE "$template"
     purpose = song.purpose
-    title = song.title
-    content = song.content
-    variables = song.variables ? "${library_dir}/${song.variables}/assignments.tt" : ''
-    directory = song.variables ? "${library_dir}/${song.variables}" : ''
-%]
-[% END %]
+    assignments = song.assignments_directory ? "${library_dir}/${song.assignments_directory}/assignments.tt" : ''
+    directory = song.assignments_directory ? "${library_dir}/${song.assignments_directory}" : ''
+    overrides = song.overrides;
+-%]
+[% END; -%]
 
 \end{document}