I like the idea of coupling sound to the page/slide. Would be even better if the audio was generated so that the transition was seamless. To whom it may be of interest: https://impress.js.org (visually similar to this project, with 3D) http://2011.beercamp.com (depth? scrolling) http://lissajousjs.com/ (A tool for programmatic audio performance in the browser using Javascript, demo: https://www.youtube.com/watch?v=jB…
Lissajousjs is wild. I was actually working on a GUI for making endless music next but in a completely different direction than this.