Parametric_symbol *linestaff(int n);
Parametric_symbol *meter(String);
Parametric_symbol *stem();
+ Symbol streepjes(int pos);
+ /**
+ pos == 3 : 3 lines above staff (extending below note)
+
+ pos == -3: below staff
+ */
+
Symbol ball(int);
Symbol flag(int);
Symbol rest(int);