The Sand That Sings: a short film about sound, 528 Hz and 1920s dancers

What does sound look like? We made a short film about it. 🎧 Best with headphones.

Singing sand

In 1787, the physicist Ernst Chladni scattered sand on a metal plate and drew a violin bow along its edge. The plate began to sing, and the sand began to move. It gathered on the lines where the plate stood still and formed figures no one had ever seen. Each tone drew its own pattern.

That’s cymatics: sound made visible. It’s the same thing that happens in the water on our subwoofers at every ORACLE night (read more).

The dance listens back

A century after Chladni, free dancers like those in the film, barefoot on the grass in the spirit of Isadora Duncan, found the same secret. Don’t move to the music. Let it move through you.

We think the body works like that plate. When the sound is right and the room is open, movement finds its own shape. And the group does too.

What you’re hearing

• A 528 Hz tone, with the sand on the plate forming the figure for that frequency.
• A 6 Hz binaural beat in the theta range: 525 Hz in your left ear and 531 Hz in your right. Your brain hears the 6 Hz difference, but only through headphones.
• The same 6 Hz as a gentle pulse, so you can feel it on phone speakers as well.
• A drone built on the harmonic series, the natural overtones that make every instrument sound alive.

We offer these as an invitation to relax and listen, not as a treatment.

Come and dance

Want to feel it in your body rather than on a screen? See the upcoming events and dance with us at the Mariakapel in Nijmegen. 🔮

Archive film: Prelinger Archives (public domain). The Chladni plate is a simulation.