faraday
Pour sound into a dish of water and the water answers back. A real Faraday-wave fluid, shaken by the loudness of what it hears, self-organises into standing waves — and that emergent pattern re-voices the sound that shook it.
drive a(t) 0%state sub-thresholddominant flat dishvoicing 0 Hzsubstrate …
The dish is already moving — sound waits for your gesture
Below threshold the surface stays glassy. Push the drive past it — with your voice, or on the self-demo carrier — and the water answers at half the shake frequency (Ω = 0.90), growing cells whose spacing you can hear: denser ripples brighten the higher partials. The pitch is whatever the physics dictates, never a scale.