Scenario Seedance Music Video

What it does

When your agent uses it

• Audio master into a finished music video with Scenario and Seedance: planning shots against beats and sections
• Transcribing lyrics
• Generating clips that cut to music
• Keeping the shots own sound while the song stays the only score

Example prompts

• “/scenario-seedance-music-video”

Requirements

• Python 3
• Node.js

Workflow steps

6 steps, taken from the first numbered list in SKILL.md.

1. 1python3 scripts/song.py master.mp3 -o song.json. Sections are shot boundaries, cut candidates are cut points; listen before trusting them.
2. 2Upload the master: multipart upload_asset, then upload_asset_complete (see the scenario skill). recommend a transcription model (the need…
3. 3Write one page: what happens, where, how it turns across the sections; name the closing image. Show it to the user before spending anything.
4. 4Generate reference stills with an image model (via recommend) at the delivery aspect ratio, one per look. Look at them: they set identity…
5. 5Per shot, decide the conditioning: opening state matters, pass a first-frame image; only identity and world matter, pass referenceImages…
6. 6Write edit.json and run python3 scripts/build.py edit.json out.mp4

What it can do on your machine

Read from SKILL.md and the folder at commit f6f8ab7. It shows what the files ask for, not the result of running them.

• Tool permissions

  Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

  From allowed-tools in the SKILL.md frontmatter.

• Runs code

  Ships 2 files in scripts/ (Python), which the agent can run.

  Shell commands in SKILL.md call:

  • python3
  • npx

  From the folder's file list and the shell code blocks in SKILL.md.

• Network

  No URLs in SKILL.md. Its commands use npx, which can reach the network depending on how they are called.

  From URLs in SKILL.md, links to its own repository left out.

• Credentials

  Names no API keys, tokens, secrets or passwords.

  From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Scenario Seedance Music Video loads about 1.8k tokens when it runs, and up to ~2.7k if it reads all its reference files. Until then it costs about 125 tokens; SKILL.md has 973 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it

~125

When it runs · the whole SKILL.md, loaded when a task matches

~1.8k

With references · SKILL.md plus every file in references/, read only if the agent opens them

~2.7k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); the scripts in this folder are not scanned.

SKILL.md

The full file from scenario-labs/skills at commit f6f8ab7, republished under its MIT licence (© scenario-labs). 973 words, ~1,845 tokens.

name

scenario-seedance-music-video

description

Use when turning a song, track, or audio master into a finished music video with Scenario and Seedance: planning shots against beats and sections, transcribing lyrics, generating clips that cut to music, keeping the shots' own sound while the song stays the only score, assembling a delivery over the untouched master soundtrack, or verifying the final cut. Keywords: music video, beat sync, shot list, lyric transcription, reference frames, ffmpeg assembly, Seedance.

license

MIT

{
  "master": "master.mp3",
  "fps": 24,
  "width": 1280,
  "height": 720,
  "sound": 0.2,
  "shots": [
    { "clip": "clips/01.mp4", "at": 0.0 },
    { "clip": "clips/02.mp4", "at": 12.5, "in": 1.0 }
  ]
}

© scenario-labs, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

SKILL.md and 3 other files (scripts, references) in skills/scenario-seedance-music-video of scenario-labs/skills.

• SKILL.md
• references/shots.md
• scripts/build.py
• scripts/song.py

Open the folder on GitHubat commit f6f8ab7