I had the urge to experiment with Three.js again, given its recent rise in popularity. The web audio API is very powerful and versatile, and the combination with Three.js creates impressive results. There's a lot of scope for highly performant 3D on desktop and mobile given the ubiquity of WebGL. This experiment, for example, runs smoothly on a Raspberry PI 5.
Press play below to see the visualization. You can also load your own mp3 files.