Feeling is everything in music. Or very nearly so. No matter what kind of music we listen to, we know it when we hear it. It’s so important that most listeners can perceive the emotional content in just a 1 second slice of sound! What is it that makes a piece of music expressive? It’s the musician herself that does, of course. But how does one go about learning how to do that? How do you convey feeling through sound? It’s the same answer as just about anything having to do with musical skill: you practice! But what does that mean? How do musicians practice the expressive aspects of music? Well, it turns out there is a piece of 2009 research that chronicles how 18 classical musicians do it