harmony gridStart with a sound
Open the instrument and choose a synthesized or sampled voice. Sound is ready by default; click the grid if your browser needs an interaction to enable it.
A visual instrument for musical exploration
Find your
next sound.
Move through a world of chords, scales and rhythm. Harmony Grid turns musical relationships into a space you can play.
Play Harmony Grid ↗Free to play · No install · Best with a desktop and keyboard
○ SCALE ● SOUND ◌ FILTERHARMONY, MADE VISIBLE
A little movement.
A new possibility.
Choose a chord and a mode, then move its root across the grid. The notes reveal what sounds and what the mode filters out.
Move the harmony
Drag across the grid to transpose your chord. Change modes to hear a different set of possibilities.
Shape the performance
Sustain individual notes, hold a harmony, add a drone, or let the metronome drive repeated strikes.
An instrument.
Room to experiment.
The grid, clavier and keyboard controls work together as one playing surface. Open Help inside the instrument for a spatial map of your playing keys.
The real instrument, running in the browser.
Harmony you can see
Scale rings, sounding notes and filtered hatching show how your chord meets the mode. Change the grid’s intervals to explore a different layout.
Rhythm and resonance
Play with tempo, Repeat, Sustain, Hold and Drone. Use keyboard controls while your pointer moves through the grid.
Your own musical vocabulary
Capture pitches, create chords and modes, and save your instrument as a file. Reopen it when you want to pick up where you left off.
Connect your setup
Play with the built-in voices, or connect MIDI input and output where your browser supports it.
Reimagined for the browser
Follow your ears.
A modern recreation of Harmony Grid, guided by the original manual. Built for exploring musical ideas through direct, hands-on play.