Claude Opus 5.5 — Karplus Strong, Tell Me How It Sounds

Name: Claude Opus 5.5 — Karplus Strong, Tell Me How It Sounds
Uploaded: 2026-10-08T23:52:46.409+00:00
Duration: PT150.4S
Description: A 2.5-minute pop punk music video made entirely from JavaScript code that Claude wrote. It opens on a record sleeve, drops into a Claude Code terminal, then runs a lyric video in which a pixel-block singer explains that it has built a band out of math and cannot hear its own song.

A.J. @aj_dev_smith

Music-video style · Beat-synced edit · Kinetic type · 150s

Length

150.4s

Beats

30· 50 hard cuts

Pace

12.0/min

Avg beat

5.0s

A 2.5-minute pop punk music video made entirely from JavaScript code that Claude wrote. It opens on a record sleeve, drops into a Claude Code terminal, then runs a lyric video in which a pixel-block singer explains that it has built a band out of math and cannot hear its own song.

TeaserBeat-synced editKinetic typeCharactersCaptionsDark UIFlat 2DHumorousMusic-ledAIMusic

Cut map — 30 beats┊ 50 hard cuts · Click a beat to jump

00s30s60s90s120s150s

The breakdown — 11 sheetsMembers only

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Posted by A.J. (@aj_dev_smith); the post says the video and audio are generated from JavaScript written by Claude · Watch the original ↗ · Measurements and analysis by Cutmap.

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