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Lacuna

AI Music Generator — Create Songs & Instrumentals — lacuna.fm

Monthly visits
153.7K
Pricing
Freemium
Basic, Pro, Ultra, Credit Pack S, Credit Pack M, Credit Pack L
Added
May 07 2026

About Lacuna

Lacuna provides an all-in-one AI audio studio where users can create music, edit and enhance audio, work with stems and MIDI, and turn tracks into shareable visuals. The platform supports lyrics, vocals, and instrumentals, and presents various agents to manage different aspects of song creation on a unified canvas.

Two directions are drafted for a user idea, then the system remixes, extends, adds vocals or a backing track, and masters any track on a visual canvas. Suggested edits can be applied with one click, enabling quick iterations across song components.

The Music Agent connects writing, arranging, generating, and stem-splitting on one visual canvas, allowing edits, remixes, extensions, voice changes, stem management, and master processing from a single track node.

Lacuna emphasizes accessibility and collaboration, offering a shared credit balance across agents and a workflow that aims to reduce technical barriers in music creation. The aim is to let imagination guide music-making with simple, powerful tools.

Use cases

  • Create original instrumental tracks or vocal songs for apps, games, or content
  • Automate music for content and agent workflows

Key features

  • Describe a song in plain words and generate directions
  • Edit and remix tracks directly from the canvas
  • Split tracks into stems and manage parts
  • Master tracks with reference presets
  • Voice and vocal editing options

Pros and cons

Pros

UI supports multiple AI music agents on a single canvas

Pricing

Basic
$9.50
per month, billed yearly at $114
  • 2,500 monthly credits
  • ≈100 songs
  • Commercial use included
  • Unlimited Audio download
  • Sheet music → MIDI uses credits
  • Up to 5 concurrent generations
Pro
$24.50
per month, billed yearly at $294
  • 7,500 monthly credits
  • ≈300 songs
  • Commercial use included
  • Downloadable license PDF included
  • Unlimited Audio download
  • Sheet music → MIDI uses credits
  • Up to 10 concurrent generations
Ultra
$49.50
per month, billed yearly at $594
  • 25,000 monthly credits
  • ≈1,000 songs
  • Commercial use included
  • Downloadable license PDF included
  • Unlimited Audio download
  • Unlimited sheet music → MIDI
  • Up to 20 concurrent generations
Credit Pack S
$50.00
one-time
  • 3,500 credits
  • Credits never expire
  • Use on any credit-based AI feature
  • Audio downloads not included (subscription required)
Credit Pack M
$100.00
one-time
  • 8,000 credits
  • Credits never expire
  • Use on any credit-based AI feature
  • Audio downloads included? (subscription required)
Credit Pack L
$500.00
one-time
  • 50,000 credits
  • Credits never expire
  • Use on any credit-based AI feature
  • Audio downloads not included (subscription required)

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Frequently asked questions

What can the AI Music Generator API create?
The API creates complete instrumental tracks or vocal songs. Every request includes a title and style description; vocal generations also require lyrics supplied by your application.
Does the API write lyrics automatically?
No. For a vocal generation, your application supplies the lyrics. Use Lacuna's separate lyrics tools if you need to create lyrics before sending the music request.
Is music generation synchronous?
No. Creating a generation returns an asynchronous task. You can poll its status, use the TypeScript SDK's waitFor helper, or subscribe to signed job.completed and job.failed webhooks.
How do I authenticate?
Create an API key in your Lacuna profile, keep it in a secrets manager, and send it as a Bearer token.
Which plans include API access?
The Music API is available on Pro and Ultra plans. Usage is credit-based; current plan details are listed on the pricing page.

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