LibreAI / AI Music / moseca
// ai-music Β· fabiogra/moseca

moseca

Separate vocals and instruments in the browser with Demucs.

πŸ’Ž Hidden gemβ˜… 397 starsβ‘‚ 57 forksMITupdated 2026-02
β–¦ visual β€” this project's README ships no embeddable screenshot,
so here's a placeholder. The guide below is complete regardless.
// project facts

Project facts

moseca is an open-source ai music project by fabiogra (fabiogra/moseca on GitHub). It has 397 GitHub stars and 57 forks, is released under the MIT license, and was last updated on GitHub on 28 February 2026.

Repository
fabiogra/moseca
GitHub stars
397
Forks
57
License
MIT
Last updated on GitHub
28 February 2026
Category
AI Music
Listing
Hidden gem β€” a shorter page for a lesser-known project
Official site
Official site
// how it works

How it works

  1. Clarify your goal

    Decide what you want the project to do before installing anything.

  2. Clone the repo

    Grab the source and skim the README for setup requirements.

  3. Install and configure

    Install dependencies and add any API keys or settings it needs.

  4. Run your first task

    Launch it and follow the example workflow from the docs.

// features

Why people love it

Web UI

A browser-based interface built with Streamlit.

MIDI support

Compose and edit with MIDI workflows.

Research implementations

Faithful ports of published models.

Open source

Tweak models and pipelines freely.

Source separation

Splits songs into vocals, drums, bass, and more.

Text-to-music

Describe a track and get audio back.

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// run it

Run it yourself

  1. Step 1 β€” Clone the repo

    Download the source and move into the project folder.

    git clone https://github.com/fabiogra/moseca.git
    cd moseca
  2. Step 2 β€” Install dependencies

    Create a virtual environment and install the requirements.

    python3 -m venv .venv && source .venv/bin/activate
    pip install -r requirements.txt
  3. Step 3 β€” Run it

    Start the app or CLI and follow the README examples.

    python main.py --help
// use cases

What you can build

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// faq

Questions, answered

Who maintains moseca?

It is an open-source project at fabiogra/moseca with 57 forks. Check the repo’s contributors and recent commits to judge how active maintenance is.

Is moseca free to use?

Yes. It is MIT licensed, so you can use it commercially with attribution.

What quality is the output?

Typically 44.1–48kHz stereo β€” good enough for demos and remixes.

Do I need a GPU?

Separation and generation run much faster on GPU, but CPU works for short tracks.

Can I use the results commercially?

Check the model's license β€” the code license and model weights may differ.

// keep exploring

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// alternatives

Alternatives in AI Music

The most-starred other AI Music projects in the LibreAI catalogue β€” the realistic shortlist if moseca is not the right fit.

Get moseca

Free and open β€” grab the source, star the repo, and start creating.