@Around("performance()")
	public void watchPerformance(ProceedingJoinPoint joinpoint) {
		try {
			System.out.println("The audience is taking their seats");
			System.out.println("The audience is turning off their cellphone");
			
			long start = System.currentTimeMillis();
			joinpoint.proceed();
			long end = System.currentTimeMillis();
			
			System.out.println("CLAP CLAP CLAP CLAP");
			System.out.println("The performance took " + (end - start) + "milliseconds.");
		} catch(Throwable t) {
			System.out.println("Bob! We want our money abck!");
		}
	}