Dude. We are so totally putting this on our projector TV at our next party.
It’s an animation of Bach’s “Toccata and Fugue in D-Minor” (c. 1703), put together by Stephen Malinowski. You know, the visuals remind me quite a lot of the Arecibo message:
I also like this étude by Chopin:
Not to mention the Dragnet Fugue:
I wouldn’t have thought of the Arecibo message so much as medieval music notation:
The picture didn’t come through, so look here.