public static void main(String[] args) {
		ApplicationContext context = new ClassPathXmlApplicationContext("Instrumentalist.xml");
		Instrumentalist instrumentalist = (Instrumentalist)context.getBean("instrumentalist");
		instrumentalist.perform();
		
		ApplicationContext context2 = new ClassPathXmlApplicationContext("Instrumentalist2.xml");
		Instrumentalist instrumentalist2 = (Instrumentalist)context2.getBean("instrumentalist");
		instrumentalist2.perform();
		
		ApplicationContext context3 = new ClassPathXmlApplicationContext("Instrumentalist3.xml");
		Instrumentalist instrumentalist3 = (Instrumentalist)context3.getBean("instrumentalist");
		instrumentalist3.perform();
	}