Must obviously like loud classical music, the way it didn't react when the orchestra exploded into action. Wonder if s/he would have reacted the same way to 'Highway to Hell'?
Mine is a positive angel by comparison. He waits until it's time to stop work then runs up the stairs bursts into the study wagging his tail with ball in his mouth and drops it at my feet. Then runs down the stairs and waits for me to come down