POST
/
voice
/
song_generator
Generate song from lyrics and reference audio
curl --request POST \
  --url https://modelslab.com/api/v6/voice/song_generator \
  --header 'Content-Type: application/json' \
  --data '{
  "key": "<string>",
  "lyrics_generation": true,
  "lyrics": "<string>",
  "prompt": "<string>",
  "init_audio": "<string>",
  "webhook": "<string>",
  "track_id": 123
}'
{
  "status": "success",
  "generationTime": 123,
  "id": 123,
  "output": [
    "<string>"
  ],
  "proxy_links": [
    "<string>"
  ],
  "future_links": [
    "<string>"
  ],
  "links": [
    "<string>"
  ],
  "meta": {},
  "eta": 123,
  "message": "<string>",
  "tip": "<string>",
  "fetch_result": "<string>",
  "audio_time": 123
}

​
Request

Make a POST request to below endpoint and pass the required parameters as a request body.
curl
--request POST 'https://modelslab.com/api/v6/voice/song_generator' \

​
Body

Sample request when lyrics_generation is false
json
{       
    "key":"your_api_key",   
    "lyrics_generation":false,    
    "init_audio":"https://storage.googleapis.com/falserverless/model_tests/diffrythm/rock_en.wav",    
    "lyrics":"[00:10.00]Moonlight spills through broken blinds [00:13.20]Your shadow dances on the dashboard shrine [00:16.85]Neon ghosts in gasoline rain",    
    "webhook":null,     
    "track_id": null
}
Sample request when lyrics_generation is true
json
{       
    "key":"your_api_key",   
    "lyrics_generation":true,    
    "init_audio":"https://storage.googleapis.com/falserverless/model_tests/diffrythm/rock_en.wav",    
    "prompt":"a rock song with lyrics about moonlight and shadows",    
    "webhook":null,     
    "track_id": null
}

Body

application/json
​
key
string
required

API key for authentication

​
init_audio
string<uri>
required

URL to reference audio file to influence style

​
lyrics_generation
boolean

Pass true to generate lyrics automatically

​
lyrics
string

Lyrics in LRC format (timestamp + lyrics). Required if lyrics_generation is false

​
prompt
string

Topic for lyrics generation. Required if lyrics_generation is true

​
webhook
string<uri>

URL to receive POST notification upon completion

​
track_id
integer

ID for webhook identification

Response

Song generation response

​
status
enum<string>

Status of the voice generation

Available options:
success,
processing,
error
​
generationTime
number

Time taken to generate the audio in seconds

​
id
integer

Unique identifier for the voice generation

​
output
string<uri>[]

Array of generated audio URLs

​
proxy_links
string<uri>[]

Array of proxy audio URLs

​
future_links
string<uri>[]

Array of future audio URLs for queued requests

​
links
string<uri>[]

Array of audio URLs (voice cover response)

​
meta
object

Metadata about the audio generation including all parameters used

​
eta
integer

Estimated time for completion in seconds (processing status)

​
message
string

Status message or additional information

​
tip
string

Additional information or tips for the user

​
fetch_result
string<uri>

URL to fetch the result when processing

​
audio_time
number

Duration of the generated audio in seconds