+ subs.insert (std::pair<char, std::string> ('s', session.path ()));
+ subs.insert (std::pair<char, std::string> ('t', metadata.title ()));
+ subs.insert (std::pair<char, std::string> ('A', metadata.album ()));
+ subs.insert (std::pair<char, std::string> ('C', metadata.comment ()));
+ subs.insert (std::pair<char, std::string> ('E', metadata.engineer ()));
+ subs.insert (std::pair<char, std::string> ('G', metadata.genre ()));
+ subs.insert (std::pair<char, std::string> ('N', current_timespan->name())); // =?= config_map.begin()->first->name ()
+ subs.insert (std::pair<char, std::string> ('P', metadata.producer ()));
+ subs.insert (std::pair<char, std::string> ('T', track_number.str ()));
+ subs.insert (std::pair<char, std::string> ('Y', year.str ()));