bool try_music_on_nongroup_children (Music *m);
virtual void do_announces ();
- virtual void do_add_processing ();
virtual bool try_music (Music* req_l);
virtual void stop_translation_timestep();
virtual void start_translation_timestep();
- virtual void do_creation_processing();
- virtual void do_removal_processing();
+ virtual void initialize();
+ virtual void finalize();
virtual void each (Method_pointer);
};