Arkency iconArkencySep 19, 2026

TERAZ - live collective ambient experience made with Rails & Tone.js

live collective ambient experience made with Rails & Tone.js The first time TERAZ actually worked, there were around seventy phones in the audience at the wroclove.rb conference. Seventy people with their own phones, batteries, browsers, volume settings, operating systems, and expectations are another.

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live collective ambient experience made with Rails & Tone.js The first time TERAZ actually worked, there were around seventy phones in the audience at the wroclove.rb conference.

Seventy people with their own phones, batteries, browsers, volume settings, operating systems, and expectations are another.

I was standing at my laptop, looking at a grid of rectangles on the screen, slowly bringing the instruments in.

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live collective ambient experience made with Rails & Tone.js The first time TERAZ actually worked, there were around seventy phones in the audience at the wroclove.rb conference. Seventy people with their own phones, batteries, browsers, volume settings, operating systems, and expectations are another. I was standing at my laptop, looking at a grid of rectangles on the screen, slowly bringing the instruments in.

How it works

  • Each phone had been randomly assigned a part: bass, piano, crackling noise, angel pads, drone, or bells.

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Before pressing start, I was still not completely sure what would happen.

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