The 22-degree halo, the parhelia either side of the sun, the upper tangent arc and the rare circumzenithal arc — the whole ice-crystal display, each feature coming from a different face pair and a different crystal orientation; the crystal alignment follows the music.
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.