A kinetic setup with spheres rotating in morphing "fluid particles" on sides of a cube, reacting to audio values. Created purely in Geometry Nodes. The setup is easy, straightforward and contains labeled nodes and detailed explanations. The audio and it's sensitivity is completely customizable.

Video here.

Essentially, we create 6 plates on the cube on which the spheres move with rotation speed adjusted by the current audio input. We displace (and relax) the distributed points by its proximity.

The file is optimized for and rendered in Eevee (Render Viewport animation). Of course, you can set up any renderer you wish.

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NOTE

-(Since it is a concept demonstration, it is kept as simple as possible.) The GeoNodes trees are kept clean for easier readability and have detailed explanations. Everything is built from the base. The point of these setups is to provide a base core of the concept, node from node, instead of contracting all into node groups with exposed settings, which makes everything harder to read and dissect.

You can embellish, refine as you wish based on the core or realize your own ideas.

-Read the text description, it has a lot of useful info !

-Follow the instructions in the description to change the setup and fine tune it to your audio ! (You need to bake it to an Fcurve in the Value Node indicated in the Geometry Nodes tree, fine tune it trough the Map Range nodes, and add keyframes to the material to control the emission glow and colors as you wish. There are 6 plates (sides) to the cube, but the rest is automated trough drivers to the first one, so you only need to bake your audio there !)