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/v/maria-rcks-opus-5-5-launch-video-soundtrack-x/

# Opus 5.5 one-shots a 'launch video' soundtrack, shown as a scrolling waveform

maria (@maria_rcks), 25 September 2026, X. 139,477 views as of 9 October 2026.
Kind: Made by AI.
Watch: https://x.com/maria_rcks/status/2103363131896635699

## Why it is here

Listed in the claudevideo.org community catalog; ~139k views on X by 2026-10-09. Length 1:16.

## Made by AI

- Made with: Claude Opus 5.5
- How we know: X post (2026-09-25): 'here's opus 5.5 oneshotting a 'launch video' soundtrack'
- Human role: Creator asked Opus 5.5 to compose a launch-video soundtrack in one shot.
- Pipeline: Opus 5.5 → code-synthesized music + waveform visual → 76-second clip
- Series: Code-rendered film (LLM writes the program that draws every frame)

## Related

- 2026-09-22: [Anthropic releases Claude Opus 5.5](https://postcutoff.com/e/2026-09-22-claude-opus-5-5/)