Classical music isn't just pretty. It's the written language a composer uses to communicate musical ideas to a performer. It's highly expressive. Many traine

Classical music isn't just pretty. It's the written language a composer uses to communicate musical ideas to a performer. It's highly expressive. Many trained musicians can sight-read a piece of music on the fly and make it sound wonderful. What you linked a cool idea for helping people visualize notes on a piano but is nothing close to a replacement for real written music.