AI Tool for Choir Directors
CantuStudio is an AI-assisted drafting tool for choir directors. You start with a melody and receive a four-part SATB idea you can hear, inspect and export. Playback comes before rehearsal. Voice-leading review comes before you print. PDF, MIDI and MusicXML come after you decide the draft is worth taking further. The honest claim is speed on the first draft — not a finished professional arrangement without a musician in control.
Directors do not search for an AI tool because they want a toy generator. They search because Tuesday’s rehearsal is close, someone sent a melody, and voicing four parts by hand will eat the evening. The useful search answer is a workflow: capture the tune, generate a draft, listen, review, edit and export. CantuStudio is built for that loop. It does not replace taste, pastoral context, or the decision of what your choir can sing this week.
Generate SATB arrangement · Plans & pricing · Open the WhatsApp rehearsal kit
- Melody
- Reviewable SATB draft
- Rehearsal kit on WhatsApp — open the kit
Who it is for
Choir directors use it to move from a hymn or anthem melody to a first SATB idea they can mark up before the room is full. Church musicians use it when the tune is already familiar and they need rehearsal files without pretending the model replaces judgment. Music teachers use the draft as a teaching surface: soprano, alto, tenor and bass relationships become visible, then the class reviews what works and what does not.
This page is not for someone who wants a one-click Sunday anthem. If you need a camera-ready score for print or publication, finish the work in your notation editor. If you need a faster, reviewable starting point before rehearsal, start here.
From melody to a reviewable SATB draft
Bring a typed or pasted melody, MusicXML, MIDI, PDF or audio. Generate soprano, alto, tenor and bass as a draft you can inspect — not a sealed black box. You should see which voice has the tune, where the inner voices sit, and whether the bass is doing harmonic work or hopping tonic and fifth. Listen before the choir hears it. Then edit with human judgment.
The practical loop stays the same every week. Bring the melody or file. Generate an SATB draft. Listen to playback. Review voice leading. Edit with human judgment. Export rehearsal files. A choir director searching for an AI tool is not asking for magic. The need is a faster first pass that still leaves the musician in control of what the choir sings.
Decorative motion on weak beats is a later conversation. Unresolved non-chord tones on strong beats are defects. Strong-beat validation takes priority over ornamental inner motion. If a downbeat pitch is not in the chord and does not resolve, treat it as something to fix before rehearsal, not as color.
Voice-leading review before the choir hears it
A draft that looks full on the page can still fail in the room. Parallel fifths and octaves, voice crossing, and ranges your altos or tenors cannot sustain will cost rehearsal minutes. CantuStudio’s review step is there so you catch those issues early. The check can point at ranges, crossings and parallels. You decide whether that tenor line is singable for your section, whether the text stress still works, and whether the piece belongs in this service.
Keep the musical decision. Public claims stay conservative until a draft has been heard, reviewed and accepted by a musician. The tool speeds the first pass. It does not certify a final arrangement. Safe public language is a faster draft and review workflow — not a promise of a professional score without runtime proof and human musical review.
Export PDF, MIDI and MusicXML
When the draft is good enough to take further, export the formats directors already use. PDF is the rehearsal folder. MIDI is practice and playback. MusicXML is the handoff to Finale, MuseScore, Sibelius or Dorico if you want to keep editing in a notation app. None of these exports is a claim that the file is camera-ready. They are the next step after a reviewable SATB idea.
Share the files the way your choir already works. Some directors print PDF into the folder. Some send MIDI for home practice. Some continue in a notation editor after MusicXML. The export step exists so the draft can leave the generator without locking you into one app.
WhatsApp rehearsal kit
After you have a draft you trust enough to share, the rehearsal kit puts each voice in the singer’s pocket. Rehearsal kit on WhatsApp: each singer opens their own part in the browser, with the voice query highlighting soprano, alto, tenor or bass. No app install. That is the path from director laptop to section chat. The kit does not skip review — it only stops the section arriving cold at the first tutti.
The same kit language lives on the dedicated rehearsal-kit page. Use it after you have listened and reviewed, not as a shortcut around musical judgment. Singers should still arrive knowing their line; the link just makes the part easy to open on a phone.
Trial and pricing
Start a choir SATB draft in the generator. See current Free vs Pro limits on the English pricing page: demo length, monthly drafts, and which exports plus the rehearsal kit sit on Pro. Sign in to subscribe. Trial terms and current limits live on the plans page. If you want public-domain hymn starting points, use the SATB hymns hub. The SATB arrangement app and SATB arranger pages describe the same honest draft-and-review loop.
Current safe positioning stays narrow. CantuStudio can speed up the first draft and the review workflow. A musician, choir director or teacher should review the output before rehearsal or publication. Broader distribution claims wait on documented user workflows, playback and musical review.
SATB arranger · SATB arrangement app · Plans & pricing · Rehearsal kit · SATB hymns
Questions before trying it with a choir.
What is CantuStudio’s AI tool for choir directors?
CantuStudio turns a melody into a reviewable SATB draft, with playback, voice-leading checks and export to PDF, MIDI or MusicXML. It is a drafting workflow, not a replacement for your final musical judgment.
Who is it for?
Choir directors, church musicians and music teachers who need a faster first SATB pass before rehearsal. A human musician should still listen, check ranges and decide what belongs in front of the choir.
How do I get from a melody to rehearsal files?
Bring a melody or file, generate a four-part draft, listen, review voice leading, edit with human judgment, then export PDF, MIDI or MusicXML — or share a per-voice rehearsal kit on WhatsApp.
How do trial and pricing work?
Start a draft in the generator. Current Free vs Pro limits — demo length, monthly drafts and export formats — are listed on the English pricing page. Sign in to subscribe.