https://www.youtube.com/watch?v=aeEmGvm7kDk
Cool Synthesia-like visualisation
No explicit, hateful, or hurtful language. Nothing illegal.
More on this: "The final product is a mash up of physical and digital effects. The upper half of the video was done in After Effects, and the LEDs themselves connect via Arduino to the piano's MIDI output. They were set up on a piece of wood which slots into the digital piano slightly behind the keys, close enough to look natural but far enough to not get in the way (yet at the same time inconveniently covers some of the buttons)."
https://www.cnet.com/news/piano-playing ... pert-mode/
https://www.cnet.com/news/piano-playing ... pert-mode/