This is a way to listen to changes to wikipedia. You are literally listening to knowledge being added to the world.
Pluck sounds are an addition, strings are subtractions, and the pitch says how how big the edit is. My heart shudders at this I love it so much.
today one of my teachers called on a really quiet girl and the class was silent then you heard her whisper “i have the bravery of a chicken nugget please dont” and i couldnt stop laughing