Lyrics-to-song with AI vocals Text-to-song from natural prompts MIDI generation from text or images Sheet music PDF to playable MIDI Open-source SDK, CLI, and MCP## What is Lacuna?
Lacuna is an AI music studio that turns lyrics, text prompts, or sheet music into full songs with vocals. Built for creators, songwriters, and content makers — no musical training required.
Core capabilities
- Lyrics → Song: Paste your lyrics, pick a style, and get a complete track with AI vocals.
- Text → Song: Describe a vibe in plain language and Lacuna composes lyrics, melody, and vocals together.
- MIDI generation: Generate MIDI sequences from text prompts or images, then drop them straight into your DAW.
- Sheet music → MIDI: Upload a sheet music PDF and convert it to playable MIDI in seconds.
- Multilingual: 9 languages — English, Simplified & Traditional Chinese, Japanese, Korean, Spanish, French, German, Portuguese.
- Open SDK: Developers can integrate Lacuna's music generation via the open-source
lacuna-toolkit(SDK + CLI + MCP).
Who it's for
- Songwriters who want to hear a demo before laying it down
- Content creators producing background music for video and podcasts
- Educators and students exploring composition without sheet-reading
- Developers building music features into other apps
Pricing
Freemium. Try without signing up (guest tier), free monthly credits with an account, or unlock commercial licensing with a paid plan.
