Mureka V7.6 Extend Song | AI Music Generation API

Mureka AI V7.6 Extend Song

Mureka AI V7.6 Extend Song extends an existing song or audio track by generating a new continuation segment from the head or tail, guided by provided lyrics. It is suitable for song continuation, outro generation, intro extension, and other music editing workflows where you want to expand an existing track instead of generating a new one from scratch.

Why Choose This?

Song continuation workflow Extend an existing audio track with newly generated music and vocals.
Head or tail extension Choose whether to extend from the beginning or the end of the source audio.
Lyrics-guided extension Provide lyrics for the new segment so the continuation matches your intended content.
Precise extension point control Use extend_at to define where in the source audio the extension begins.
Flexible output formats Export the extended result as mp3, wav, or flac.
Simple pricing Uses a fixed per-request price.

Parameters

Parameter	Required	Description
audio	Yes	Source audio URL to extend. It will be uploaded to Mureka as audio.
lyrics	Yes	Lyrics for the extension segment.
extend_at	Yes	Extension position in milliseconds. This specifies where the extension starts in the source audio.
extend_type	No	Whether to extend from the `tail` or `head` of the source audio. Default: `tail`.
output_format	No	Output audio format after re-uploading to WaveSpeed CDN. Supported values: `mp3`, `wav`, `flac`. Default: `mp3`.

How to Use

Upload your source audio — provide the existing song or audio track you want to extend.
Write the extension lyrics — enter the lyrics for the new segment.
Set extend_at — define the position in the source audio where the extension should begin.
Choose extension type — use tail to extend from the end side of that point, or head to extend from the beginning side.
Choose output format — select mp3, wav, or flac.
Submit — run the model and download the extended song.

Example Use Case

Extend a demo track from the chorus section by adding a new lyrical outro while keeping the existing song structure and tone.

Pricing

Just $0.036 per generated extension.

Billing Rules

Each extension request costs $0.036
extend_type and output_format do not affect pricing
Pricing is fixed per generated result

Best Use Cases

Song continuation — Add a new ending or next section to an existing track.
Intro or outro generation — Extend the front or back of a song with new material.
Demo finishing — Turn partial song ideas into more complete structures.
Music editing workflows — Expand tracks without rebuilding them from scratch.
Creative experimentation — Try alternate continuations from a chosen point in the song.

Pro Tips

Use lyrics that match the tone and structure of the existing audio for smoother continuation.
Choose tail when you want to add a new ending or next section.
Choose head when you want to generate an intro or earlier lead-in material.
Use wav or flac when you want higher-quality outputs for further production work.
Make sure the source audio is clear and complete enough around the extension point for better results.

Notes

audio, lyrics, and extend_at are required.
extend_at specifies the exact position in the source audio where the extension begins.
extend_at is measured in milliseconds.
extend_type defaults to tail.
output_format defaults to mp3.
Pricing is fixed at $0.036 per request.

Related Models

Mureka AI V7.6 Generate Song — Create full songs from lyrics with optional style and reference guidance.
Mureka AI V7.6 Generate BGM — Generate background music tracks from prompts.
Mureka AI V8 Extend Song — Extend an existing song with the newer Mureka V8 workflow.
Mureka AI Stem Song — Process songs into stem-based outputs for remixing, editing, and production workflows.

Mureka v7.6 Extend Song API — Quick start

Grab a WaveSpeedAI API key, then call POST https://api.wavespeed.ai/api/v3/mureka-ai/mureka-v7.6/extend-song with your input as JSON. The endpoint returns a prediction id; poll the prediction endpoint until status flips to completed, then read the output URL from data.outputs[0]. Examples for Mureka v7.6 Extend Song below.

HTTP example

# Submit the prediction
curl -X POST "https://api.wavespeed.ai/api/v3/mureka-ai/mureka-v7.6/extend-song" \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer $WAVESPEED_API_KEY" \
  -d '{
    "audio": "https://example.com/your-audio.mp3",
    "extend_at": 30000,
    "extend_type": "tail",
    "output_format": "mp3"
}'

# Response includes a prediction id. Poll for the result:
curl -X GET "https://api.wavespeed.ai/api/v3/predictions/{request_id}/result" \
  -H "Authorization: Bearer $WAVESPEED_API_KEY"

# When status is "completed", read the output from data.outputs[0].

Node.js example

// npm install wavespeed
const WaveSpeed = require('wavespeed');

const client = new WaveSpeed(); // reads WAVESPEED_API_KEY from env

const result = await client.run("mureka-ai/mureka-v7.6/extend-song", {
        "audio": "https://example.com/your-audio.mp3",
        "extend_at": 30000,
        "extend_type": "tail",
        "output_format": "mp3"
});

console.log(result.outputs[0]); // → URL of the generated output

Python example

# pip install wavespeed
import wavespeed

output = wavespeed.run(
    "mureka-ai/mureka-v7.6/extend-song",
    {
    "audio": "https://example.com/your-audio.mp3",
    "extend_at": 30000,
    "extend_type": "tail",
    "output_format": "mp3"
}
)

print(output["outputs"][0])  # → URL of the generated output

Mureka v7.6 Extend Song API — Frequently asked questions

What is the Mureka v7.6 Extend Song API?

Mureka v7.6 Extend Song is a Mureka Ai model for audio generation, exposed as a REST API on WaveSpeedAI. Mureka AI V7.6 Extend Song is a fast AI music generation model that extends existing songs via the official Mureka API. Ready-to-use REST inference API for lengthening tracks, continuing song ideas, expanding demos, remix workflows, creative audio projects, and professional music production with simple integration, no coldstarts, and affordable pricing. You can call it programmatically or try it from the playground above.

How do I call the Mureka v7.6 Extend Song API?

POST your input parameters to the model's REST endpoint (shown in the API tab of this playground) with your WaveSpeedAI API key in the Authorization header. Submission returns a prediction ID; poll the prediction endpoint until status flips to "completed", then read the output URL from the result. The playground generates a ready-to-paste code sample in Python, JavaScript, or cURL for whatever inputs you've set. Full request/response shape is documented at https://wavespeed.ai/docs/docs-api/mureka-ai/mureka-ai-mureka-v7.6-extend-song.

How much does Mureka v7.6 Extend Song cost per run?

Mureka v7.6 Extend Song starts at $0.036 per run. That figure is the base price — the final charge scales with the parameters you set in the form (output size, length, count, references, or whatever knobs this model exposes), so a higher-quality or larger output costs more than a minimal one. The exact cost for your current input is shown live next to the Generate button before you submit, and the actual per-call charge is recorded on the prediction afterwards.

What inputs does Mureka v7.6 Extend Song accept?

Key inputs: `audio`, `extend_at`, `extend_type`, `lyrics`, `output_format`. The full JSON schema (types, defaults, allowed values) is rendered above the Generate button and mirrored in the API reference at https://wavespeed.ai/docs/docs-api/mureka-ai/mureka-ai-mureka-v7.6-extend-song.

How do I get started with the Mureka v7.6 Extend Song API?

Sign up for a free WaveSpeedAI account to claim starter credits, copy your API key from /accesskey, then call the endpoint shown in the API tab of the playground. The playground also auto-generates a code sample in Python, JavaScript, or cURL for the parameters you've set.

Can I use Mureka v7.6 Extend Song outputs commercially?

Commercial usage rights depend on the model's license, set by its provider (Mureka Ai). The license summary appears on the model card above; see WaveSpeedAI's Terms of Service for platform-level conditions.

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