Beethoven was not the easiest person to get on with by some accounts. But he did suffer from a number of chronic health issues, so perhaps he can be forgiven for being a bit grumpy on occasions.
But then you come across a work of such sublime serenity that you wonder, with all his issues how he does it. Such is his genius. Your audiences will be in raptures, I guarantee it. You get two versions: one in A flat major, the other in A major. So you have a choice. 5 mins. E/M