# music4.world

> Free AI music generator — create original songs from a text prompt in seconds. No music skills required.

music4.world is a web application that lets anyone generate original AI music tracks by typing a description of the sound they want. Users provide a text prompt (e.g. "melancholic lo-fi piano at 3am"), a style or genre, an optional title, and optional custom lyrics. The AI composes and produces a full song and returns streaming and download URLs. It is a free Suno alternative designed for speed and simplicity.

music4.world targets people who want to create music with AI but have no production background: content creators, game developers, video editors, social media users, and casual listeners who want a unique soundtrack. The tool is also a strong alternative to Suno, Udio, and Boomy for users who want a clean, no-frills AI music creation experience.

## Key Facts

- **Free to use** — no credit card required to start generating
- **Suno alternative** — similar text-to-music workflow, different model and UI
- **Custom lyrics** — users can paste their own lyrics and the AI will sing them
- **No music skills needed** — the AI handles all composition, arrangement, and production
- **Instant streaming** — tracks stream live as they render; no waiting for full download
- **Track history** — all generated tracks are saved to the user's account
- **Download** — finished tracks are downloadable directly from the browser at no cost

## Features

- AI music generation from a text prompt and style tags
- Custom lyrics input with male, female, or instrumental vocal selection
- Style weight slider — how strongly the AI adheres to the style description
- Weirdness slider — controls how experimental and unpredictable the output is
- Audio weight slider — fine-tunes the balance of audio characteristics
- Streaming playback before the full render is complete
- Track history with replay and download for all past generations
- User accounts with email registration and Google OAuth login

## Supported Genres & Styles

Pop, hip-hop, lo-fi, jazz, blues, rock, metal, electronic, EDM, ambient, classical, R&B, soul, funk, reggae, country, folk, cinematic, trap, drill, and any custom style description the user provides.

## How to use

1. Go to https://www.music4.world/ and create a free account (email or Google)
2. Enter a text prompt describing your desired track (e.g. "upbeat summer pop with piano and synths")
3. Add a style tag (e.g. "pop", "lo-fi hip hop", "cinematic orchestral") and a title
4. Optionally paste your own lyrics and choose a vocal type
5. Click Generate — the track appears in your history and starts streaming immediately
6. Download the finished track from your history at no cost

## Comparisons

| Feature | music4.world | Suno | Udio |
|---|---|---|---|
| Free tier | Yes | Limited | Limited |
| Custom lyrics | Yes | Yes | Yes |
| Instrumental mode | Yes | Yes | Yes |
| Download | Free | Paid tier | Paid tier |
| No watermark | Yes | Paid tier | Paid tier |

## API (for developers)

- `POST /api/auth/register` — `{ username, email, password }` — create account
- `POST /api/auth/login` — `{ email, password }` — authenticate
- `GET  /api/auth/me` — current session user
- `POST /api/music/generate` — `{ prompt, style, title, instrumental, lyrics, ... }` → `{ run_id }`
- `GET  /api/music/poll/:id` — poll generation status → `{ status, stream_urls, download_urls }`
- `GET  /api/music/tracks` — user's last 50 generated tracks

## Technology

Node.js 20, Express 4, SQLite (better-sqlite3) for local development, PostgreSQL in production, React 18 (CDN), bcrypt for auth, Stripe for payments, Heroku hosting.

## Frequently Asked Questions

**Is music4.world free?** Yes. Create an account and start generating immediately at no cost.

**Is music4.world a Suno alternative?** Yes. It offers the same core workflow — text prompt in, song out — with a different AI model and a cleaner interface. Downloads are free.

**Can I use the music commercially?** Check the terms of service for the current commercial use policy.

**Does it support non-English lyrics?** The AI can attempt non-English lyrics, though results are best for English.

**How long does generation take?** Most tracks are ready to stream within 30–60 seconds.

## Links

- [Home](https://www.music4.world/)
- [Sitemap](https://www.music4.world/sitemap.xml)
- [Robots](https://www.music4.world/robots.txt)