public void actionPerformed(ActionEvent e) 
	                { 
	                	if(io.getFestival() == null){
	                		statusLabel.setText("No festival set.");
	                	} else if(io.getFestival().getArtists().isEmpty() || io.getFestival().getStages().isEmpty()){              	
	                		statusLabel.setText("No stages or artists made.");
	                	} else {
	                		addPerformance();
	                	}
	                }