The music or the whole thing? It's not really about it being some basic music in three parts, it's about the presentation of it in a 360 degree view with the three parts all seamlessly showing at once and even appearing to interact with each other in the video. If you think that's garbage... well you have high standards.
Watch the making of video. She explains the sustain pedal wasn't used because it would appear incorrect in multiple splices (there is only one piano). Also, don't be so cranky on the Internet.