Song Extender
Extend Songs Seamlessly
Sample output
Clone Voices. Extend Tracks.
Voice Cloning
Match Original Vocals
Analyzes input audio to clone voice and extend song in matching style.
API Ready
Song Extender API
Integrate song extender model into apps for automated music extension.
Seamless Output
Natural Continuations
Generates extensions preserving tempo, key, and mood up to 8 minutes.
Examples
See what Song Extender can create
Copy any prompt below and try it yourself in the playground.
Jazz Solo
“Extend this smooth jazz instrumental from 1:30, add saxophone solo in same key and tempo, maintain lounge mood, generate 2 minute continuation with fading reverb.”
Acoustic Folk
“Continue acoustic guitar folk track starting at chorus end, clone warm male vocal, add harmony layers, extend by 90 seconds with building crescendo.”
Electronic Beat
“Extend electronic synthwave from drop at 45 seconds, preserve pulsing bassline, clone robotic vocal chops, add 2 minute bridge with rising arpeggios.”
Piano Ballad
“From piano ballad outro at 2:00, clone emotive female voice for new verse, match melancholic tone, extend 1.5 minutes with string swells.”
For Developers
A few lines of code.
Extend song. One call.
ModelsLab handles the infrastructure: fast inference, auto-scaling, and a developer-friendly API. No GPU management needed.
- Serverless: scales to zero, scales to millions
- Pay per second, no minimums
- Python and JavaScript SDKs, plus REST API
import requestsresponse = requests.post("https://modelslab.com/api/v7/voice/song-extender",json={"key": "YOUR_API_KEY","prompt": "Write another verse for my song","init_audio": "https://assets.modelslab.ai/generations/3b57f1c2-a63e-4285-90ea-5b8bad106217.ogg","extend_duration": "45.0"})print(response.json())