Dev one-shots a pitch-scoring karaoke web game in a single prompt

gabriel1 · x · 2026-11-14

Responding to a pitch about a "vocal Guitar Hero", Gabriel Petersson built and deployed Gabrielvision Song Contest in a single prompt: sing Jingle Bells into your mic, get real-time pitch accuracy scoring, adjustable mic latency, and multiplayer competition with friends — another showcase of one-shot vibe coding a playable product.

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