Canvas piano that takes mouse, QWERTY and Web MIDI input, maps velocity from strike position and logs MIDI messages; an input stage only, it produces no sound.
Audio Before you run it: plays sound.
For games or crowded controls, open the demo in a new tab for the most room.
Synth Building Blocks · 18 labs
Playing a game or need more room? Open demo in a new tab
JavaScript runs this experiment. Open demo in a new tab