and Mozart’s father, as a composer and music teacher, had nearly every imaginable musical instrument in his house. Nor was it just musical instruments. The boy could identify the notes produced by anything that was sufficiently musical — the chime of a clock, the toll of a bell, the ah-choo of a sneeze. It was an ability that most adult musicians of the time, even the most experienced, could not match, and it seemed, even more than Mozart’s skill on keyboard and violin, to be an example of the mysterious gifts that this young prodigy had been born with.