 Oh, Professor, that's wonderful. I'm positively thrilled. It's really too exciting for words. Oh, Professor, I don't mean to be stupid, but what's a concerto? Irma, my little pigeon, a concerto is a piece of a man's life set to music. The agony of his soul, the torment of his youth, the anguish of his struggles, and the torture of his misery. Can you dance to it? Well, hardly.