AI agent builds a physics-simulated violin and plays Bach by "bowing" it

Short-Patient7772 · reddit · 2026-09-13

A Reddit user had Astra build a digital violin inside a physics engine: the model must move the bow and finger the strings like a human, and wrong motions genuinely sound bad. It performed Bach's Prelude from the Cello Suite No. 1, BWV 1007 — with a wink at recent news.

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