A smoke column with a real laminar-to-turbulent transition, and the height of that transition is what the music moves — quiet lets the threads rise tall and clean, energy pushes the break down until the column boils.
Drawn with: a WebGL2 shader.
Reacts to and looks like: gpu, webgl2 and audio-reactive.
Family: Visualiser.
Runs in your browser. The preview above is the same program the renderer uses.