4 Staff * get_new_rhythmstaff();
5 Voice_element * get_note_element(String,String);
6 Voice_element* get_rest_element(String,String);
7 Command * get_bar_command(Real);
9 Command* get_meterchange_command( int,int);
10 Command* get_meter_command( Real,int,int);
11 Command* get_skip_command( int,Real);