Mureka V9 Generate Bgm | AI Music Generation API

Mureka AI V9 Generate BGM

Mureka AI V9 Generate BGM creates background music tracks from a text prompt, with optional instrumental reference guidance and support for multiple generations in a single request. It is suitable for videos, podcasts, ads, games, livestreams, and other content workflows that need original non-vocal music.

Why Choose This?

Prompt-based background music generation Generate instrumental tracks from a natural-language description of mood, genre, tempo, or instrumentation.
Optional instrumental reference guidance Use instrumental_id to guide the generation toward a particular musical direction.
Multiple generations per run Generate up to 3 background music tracks in one request with number_of_songs.
Flexible output formats Export generated tracks as mp3, wav, or flac.
Simple pricing Pricing depends only on how many tracks you generate.

Parameters

Parameter	Required	Description
prompt	Yes	Prompt describing the background music. Official limit: up to `1024` characters.
number_of_songs	No	Number of generations. Range: `1–3`. Default: `1`.
output_format	No	Output audio format after re-uploading to WaveSpeed CDN. Supported values: `mp3`, `wav`, `flac`. Default: `mp3`.
instrumental_id	No	Optional Mureka uploaded instrumental reference file ID.

How to Use

Write your prompt — describe the mood, genre, tempo, instrumentation, and production style you want.
Add an instrumental reference (optional) — provide instrumental_id if you want stronger musical guidance.
Set number of songs — choose how many generations you want, from 1 to 3.
Choose output format — select mp3, wav, or flac.
Submit — run the model and download the generated background music tracks.

Example Prompt

Cinematic ambient background music with soft piano, warm strings, slow build, emotional and uplifting mood, clean modern production

Pricing

Pricing is based on number_of_songs.

Number of Songs	Cost
1	$0.045
2	$0.090
3	$0.135

Billing Rules

Each generated background music track costs $0.045
Total price = $0.045 × number_of_songs
output_format and instrumental_id do not affect pricing

Best Use Cases

Video background music — Generate instrumental tracks for vlogs, ads, explainers, and short-form content.
Podcast and livestream music — Create intro, outro, or ambient background tracks.
Game and app audio — Produce mood-based background music for interactive experiences.
Creative ideation — Explore multiple music directions from a single prompt.
Reference-guided generation — Use an instrumental reference to steer the musical style more precisely.

Pro Tips

Be specific in your prompt about genre, tempo, instrumentation, and mood.
Use number_of_songs when you want multiple variations from the same idea.
Add instrumental_id only when you need tighter musical guidance.
Start with mp3 for convenience, then use wav or flac when higher-quality output matters more.
Short, focused prompts often produce more controllable results than overly broad descriptions.

Notes

prompt is required.
number_of_songs supports values from 1 to 3.
prompt supports up to 1024 characters.
output_format defaults to mp3.
Pricing depends only on number_of_songs.

Related Models

Mureka AI V9 Generate Song — Create full songs from lyrics with optional style and reference guidance.
Mureka AI Stem Song — Process songs into stem-based outputs for remixing, editing, and production workflows.

Mureka v9 Generate Bgm API — Quick start

Grab a WaveSpeedAI API key, then call POST https://api.wavespeed.ai/api/v3/mureka-ai/mureka-v9/generate-bgm 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 v9 Generate Bgm below.

HTTP example

# Submit the prediction
curl -X POST "https://api.wavespeed.ai/api/v3/mureka-ai/mureka-v9/generate-bgm" \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer $WAVESPEED_API_KEY" \
  -d '{
    "prompt": "A cinematic shot of a city at sunset, soft golden light",
    "number_of_songs": 1,
    "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-v9/generate-bgm", {
        "prompt": "A cinematic shot of a city at sunset, soft golden light",
        "number_of_songs": 1,
        "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-v9/generate-bgm",
    {
    "prompt": "A cinematic shot of a city at sunset, soft golden light",
    "number_of_songs": 1,
    "output_format": "mp3"
}
)

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

Mureka v9 Generate Bgm API — Frequently asked questions

What is the Mureka v9 Generate Bgm API?

Mureka v9 Generate Bgm is a Mureka Ai model for audio generation, exposed as a REST API on WaveSpeedAI. Mureka AI V9 Generate BGM is a fast AI music generation model that creates high-quality background music via the official Mureka API. Ready-to-use REST inference API for AI BGM generation, video soundtracks, game music, podcast intros, advertising audio, social media content, and professional music production workflows 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 v9 Generate Bgm 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-v9-generate-bgm.

How much does Mureka v9 Generate Bgm cost per run?

Mureka v9 Generate Bgm starts at $0.045 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 v9 Generate Bgm accept?

Key inputs: `prompt`, `instrumental_id`, `number_of_songs`, `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-v9-generate-bgm.

How do I get started with the Mureka v9 Generate Bgm 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 v9 Generate Bgm 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.

ExamplesView all

Related Models

README

Mureka AI V9 Generate BGM

Why Choose This?

Parameters

How to Use

Example Prompt

Pricing

Billing Rules

Best Use Cases

Pro Tips

Notes

Related Models

Mureka v9 Generate Bgm API — Quick start

Mureka v9 Generate Bgm API — Frequently asked questions