Make MuseScore Sing. For Real.

* Both Lifetime and Monthly plans include Sibelius and Dorico-compatible VST plugins when released.

What is Cantai?

Cantai, created by composer Richard deCosta, is a groundbreaking AI-powered vocal synthesis platform designed to transform written scores into lifelike operatic and choral performances.

Unlike typical synthesizers, Cantai is powered by advanced AI that learns the nuances of human singing, from subtle dynamics to expressive phrasing. Whether it's a solo aria, a complex choral arrangement, or a full-scale operatic production, Cantai faithfully reproduces the sound and emotion as envisioned by the composer.

For the first time, composers and arrangers have a way to instantly hear their music sung exactly as they envisioned it — with dynamic markings, phrasing, and expressive nuances fully realized, giving a true sense of how their work will sound in performance.

Our Voices

Cantai features a diverse collection of high-quality vocal models spanning classical, jazz, and choral styles. Our roster includes solo operatic voices (Soprano, Mezzo, Tenor, Baritone, Bass) and ensemble choral voices, all ethically sourced from professional singers to bring your compositions to life.

Soprano

Soprano

Mezzo

Mezzo

Tenor

Tenor

Baritone

Baritone

Bass

Bass

Choral Soprano

Choral Female

Choral Bass

Choral Male

What Users Say

"Cantai has the potential to be a real gamechanger for sheet music professionals. The idea of hearing lyrics sung directly from notation software could streamline everything from arranging to client previews. We're excited to see how it develops and can already see how valuable it'll be for our work."

— Tunescribers, Sheet Music Transcription service

"Cantai is already showing itself to be an indispensable part of the workflow in the preview/demo world where quick vocal mockups are required within DAW to SCORE or SCORE to DAW projects. Cantai has improved quality and ease of use over comparable products on the market and promises to seamlessly integrate with leading DAW and music notation software packages."

— Simon Rodwell, Senior Project Manager (Music) Open University UK (1996-2024)

Audio Demos

RicharddeCostaComposer · cantai.app demos

One Plugin. One Sound. Why Join Now?

Works with MIDI from MuseScore
Save time with instant choral playback
Realistic choral sound — not samples
Hear your music before rehearsal
English lyrics (more coming soon)
Impress clients with authentic sound

Requires MuseScore 4.5 or higher

Ready to Get Started?

* Both Lifetime and Monthly plans include Sibelius and Dorico-compatible VST plugins when released.

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