recoup-lyric-video
Make a lyric video — the song's words appearing on screen, timed to the audio, over a visual background. Use when the user says "lyric video", "make a video with the lyrics", "put the words on screen", "kinetic typography for [song]", or "animated lyrics for [song]". Transcribes the song to get word timings, generates or uses a background visual, and burns in the synced lyrics. Works with or without artist context.
What this skill does
# Lyric Video
Turn a song into a video where the lyrics appear in time with the audio. The job is
**timed text over a visual** — distinct from a featuring-artist clip (`recoup-short-video`)
or a no-text loop (`recoup-visualizer`).
Read `references/content-api.md` for the endpoints and async pattern,
`references/song-sourcing.md` for getting the audio, and `references/analyze-gate.md`
before claiming the result is done. (All ship alongside this skill.)
## Inputs
- **Song audio** (required) — see `references/song-sourcing.md`. No real audio → stop.
- **Background** (optional) — a generated visual, a supplied image/video, or the artist's
aesthetic from `context/artist.md`. Generic mode: take the user's prompt or footage.
- **Lyrics** (optional) — if the user supplies an accurate lyric sheet, prefer it over the
transcript for spelling; still use the transcript for **timing**.
## Steps
### 1. Get word-level timings
```bash
curl -sS -X POST "$BASE/content/transcribe" "${AUTH[@]}" -H "Content-Type: application/json" \
-d "$(jq -n --arg u "$SONG_URL" '{audio_urls:[$u]}')" | jq '.segments'
```
`audio_urls` is an **array** (one or more public audio URLs). The response is
`{audioUrl, fullLyrics, segments:[{start,end,text}], segmentCount}`; `.segments` drives when
each line appears. If the user gave an official lyric sheet, align it to these timings rather
than trusting the raw transcript spelling.
### 2. Create the background
- **Context mode:** generate a visual on-brand with `context/artist.md` (or animate
`context/images/face-guide.png`).
- **Generic mode:** generate from the user's prompt, or use footage they supply.
- A still works (loop it) or a slow motion clip via the `prompt`/`animate` video modes.
### 3. Burn in the synced lyrics
Use the edit endpoint to overlay text per timed segment over the background, then mux the
song for the full duration (see the edit ops + async pattern in `references/content-api.md`).
Keep text legible: large, high-contrast, inside safe margins, one line/phrase at a time.
### 4. Verify, then deliver
Run the analyze gate (`references/analyze-gate.md`) — check the words are readable, on
time, and not clipped. Regenerate any failing stage before presenting.
## Persist
In a workspace, save to `artists/{slug}/releases/{release-slug}/` (or `content/lyric-video/`)
and commit `{what}: {why}`. See `references/workspace-context.md`. No workspace → return
the URL.
## Guardrails
- **Timing comes from the transcript**, spelling from the official sheet when provided.
- **Don't reproduce third-party copyrighted lyrics** — this is the artist's own song; for
covers or samples, confirm rights with the user.
- **Never fake the audio** (`references/song-sourcing.md`).
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