Harmonic Key Graph
Green = extremely smooth (4) Yellow = natural (6) Orange = workable (10) Red = remote
Click and drag across a string to pluck it Right click to drop or move a stone and shorten the speaking length Drag note tiles into the four-string lanes below
Row 1 (C) blue = scale tones · yellow = chord tones
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String vibration and harmonics
Pluck a string by dragging across it. Right click to drop a stone that shortens the active length and raises the pitch. The popup explains the length ratio and resulting frequency ratio.
6 vibrating strings
Open string Right click on a string to shorten it and reveal the pitch ratio.
Four-string note playground
Drag note tiles like little scrabble blocks into each lane. Each lane updates its wave density and the frequency readout on the right so you can compare how note choice changes the vibration.
drop notes on 4 strings