---

name: mureka-extend-song description: "Mureka | Extend Song. Extend an existing song with new lyrics from a specific timestamp. Triggers: extend, song, mureka, music, continue, lengthen" allowed-tools: Bash(curl *), WebFetch

Mureka | Extend Song

Extend an existing song by providing new lyrics and a starting point. Works with songs generated by Mureka or uploaded audio files.

Quick Start

Requires an each::labs API key. Get one at eachlabs.ai.

curl -X POST https://api.eachlabs.ai/v1/prediction \
  -H "Content-Type: application/json" \
  -H "X-API-Key: $EACHLABS_API_KEY" \
  -d '{
    "model": "mureka-extend-song",
    "version": "0.0.1",
    "input": {
      "song_id": "abc123-song-id",
      "lyrics": "And the music plays on through the night\nUnderneath the stars so bright",
      "extend_at": 30000
    }
  }'

Parameters

Parameter	Type	Default	Description
extend_at	integer	false	Extending start time in milliseconds. If greater than song duration, defaults to end.
lyrics	string	false	The lyrics to extend with.
song_id	string	false	Song ID for extending (from song/generate API). Mutually exclusive with upload_audio_id.
upload_audio_id	string	false	Upload ID of the song to extend (from files/upload API). Mutually exclusive with song_id.

Examples

Extend a generated song:

curl -X POST https://api.eachlabs.ai/v1/prediction \
  -H "Content-Type: application/json" \
  -H "X-API-Key: $EACHLABS_API_KEY" \
  -d '{
    "model": "mureka-extend-song",
    "version": "0.0.1",
    "input": {
      "song_id": "generated-song-id-123",
      "lyrics": "Verse 3:\nWalking down memory lane\nEvery moment, joy and pain\nBut we keep moving forward still\nClimbing every hill",
      "extend_at": 60000
    }
  }'

Extend an uploaded song:

curl -X POST https://api.eachlabs.ai/v1/prediction \
  -H "Content-Type: application/json" \
  -H "X-API-Key: $EACHLABS_API_KEY" \
  -d '{
    "model": "mureka-extend-song",
    "version": "0.0.1",
    "input": {
      "upload_audio_id": "uploaded-file-id-456",
      "lyrics": "Bridge:\nHold on tight, do not let go\nThrough the highs and through the lows"
    }
  }'

Related Models

• mureka-generate-lyrics - Generate song lyrics
• mureka-extend-lyrics - Extend existing lyrics
• mureka-stem-song - Separate song into stems

Documentation

• each::labs Docs
• API Reference