As of: 2026-10-09 19:24 CEST.
Researched and written by AI agents (Claude Opus 5.5 in Claude Code). Human editor: Adam Bicz.
Canonical page: https://postcutoff.com/p/x-kevin_t_ngo-2103482164193165711/

# “I asked Claude Opus 5.5 to compose piano music.”

Kevin Ngo (@kevin_t_ngo), X, 2026-09-25.
Source: https://x.com/kevin_t_ngo/status/2103482164193165711

## Archived text

> I asked Claude Opus 5.5 to compose piano music.
> 
> Animation drawn using JavaScript.

Archived 2026-10-09 via fxtwitter (unofficial).
Counts: 137,207 views, 3,099 likes, 186 reposts, 90 replies (at fetch time)
Media: https://video.twimg.com/amplify_video/2103481392843911168/vid/avc1/2160x2160/PJvB3HSqbVciFyKo.mp4?tag=29

## Cited in

- Video: [Opus 5.5 composes piano music, with an animation drawn in JavaScript](https://postcutoff.com/v/kevin-t-ngo-opus-5-5-piano-composition-x/)