dynamic_deps = [% PROCESS variables.tt;
USE song_choices = datafile("${config_dir}/song_choices.csv", delim= '|');
FOREACH song = song_choices;
    IF song.variables != '';
        GET "${library_dir}/${song.variables}/* ";
    END;
END;
IF proper != '';
    GET "${propers_dir}/${proper}.tt";
END;
-%]