Audio modelFree

Music Cover

New lyrics over a song you upload. Try it in the studio, or call it from the API.

Price shown in the studio before you generate

Try in studio API example

No samples yet

Specs

File types: MP3, WAV, M4A · up to 50 MB
Tier: Free — everyone can use it

Price

Pricing

The studio shows the exact price before you generate. Failed runs are refunded.

API

Use Music Cover from code

Model id music-cover. Same price and limits as the studio.

Full API docs Use with AI agents

REST · POST /v1/jobs

curl -X POST "https://api.der.run/v1/jobs" \
  -H "Authorization: Bearer $DER_API_KEY" \
  -H "Idempotency-Key: $(uuidgen)" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "music-cover",
    "params": {
      "lyrics": "…"
    },
    "inputs": {
      "audio": "<asset id>"
    }
  }'

# then poll every 30 s until it’s finished
curl "https://api.der.run/v1/jobs/{id}" \
  -H "Authorization: Bearer $DER_API_KEY"

FAQ