The tuning surface — silent, like the app (it sends MIDI). Pick a bank, or press a key and swipe ↑ / ↓ to tune it in cents. Hear it on the Ribbon.
🔊 Drag left / right to glide the pitch — this is where you hear it · release to stop
BANKS
SOUNDS
A browser demo: the Ribbon makes sound so you can hear the quarter-tones; the tuning surface stays silent, exactly like the app. The real app drives your hardware byte-exactly. Get the real thing →