“Tap the plank. Hear the forest sing.”
The 440 Hz Sweet Spot
A finger-snap on wide oak sustains 2.1 seconds (Vienna Philharmonic acoustics).
The Child’s Xylophone
Tap planks with a spoon—different tones per density.
The Lover’s Duet
Bare feet tap a rhythm. The floor echoes in harmony.
The Final Note
When the house is empty, the silence will still sing.
Play your floor. Discover harmonic planks →
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