in the sound and reveal details that would otherwise have been lost at lower resolutions. the fidelity of the library is especially revealing once you start combining the microphones and hear the warmth of the instrument, reflections of the room, the air and all the tiny, little details so often missed. teacher gives you in class?
how certain are you that you could figure out how to do a math assignment on your own if you miss class?
how confident are you that you know enough to help other students understand the math concepts taught in class? 