@Override
    protected void reactPressed(MouseEvent event) {
        ProgramState curr = StateMachine.getState();
        if (curr != ProgramState.ARR_PLAYING) {
            if ((Settings.debug & 0b100000) != 0)
                System.out.println("Add song");

            if (theStaff.getSequenceFile() != null) {
                StateMachine.setArrModified(true);
                theStaff.getArrangementList().getItems()
                        .add(theStaff.getSequenceName());
                theStaff.getArrangement().add(theStaff.getSequence(),
                        theStaff.getSequenceFile());
            }
        }
    }