Although I was never fully aware of it, from the day my uncle bought my first toy piano, music always fit neatly into my mathematical world. Because piano was more of an individual activity, when lost in the middle of a Beethoven Sonata, I could rarely rely on others for help. Instead, I often only found comfort in the numbers I had scribbled furiously across its pages. Any time I had difficulty learning a new piece, I could find my...