AiHud Notation Copilot: frequently asked questions

AiHud Notation Copilot is a MuseScore Studio 4 plugin that edits your open score from plain-English requests. It is free for 100 applied edits a month, and one Ctrl+Z undoes any request.

What is AiHud Notation Copilot?
AiHud Notation Copilot is a plugin for MuseScore Studio 4 that edits the open score from plain-English requests. It writes section voicings, string pads and brass hits, bass lines, easier parts, melodies and exercises, and handles doubling, transposing, slurs, articulations, dynamics and hairpins.
Is there an AI plugin for MuseScore 4?
Yes. AiHud Notation Copilot runs inside MuseScore Studio 4 on Windows, macOS and Linux. You type the request in its chat window and the notes are written into the open score as one undo step.
How much does it cost?
Free for 100 applied edits a month, no card needed. After that you can pay as you go with AiHud credits: A request typically uses 10 to 25 credits (1 credit = $0.001); a request that needs a clarifying question costs two rounds. $10 is roughly 400 to 1,000 requests. Credits never expire.
How do I install it?
Get a free key at copilot.aihud.net and download the plugin zip (your key is built in). Unzip it into Documents/MuseScore4/Plugins, restart MuseScore 4, enable Notation Copilot under Home > Plugins, then open a score and choose Plugins > Composing/arranging tools > Notation Copilot.
Can it add new instruments to my score?
No. It edits the staves that are already in the score. Add the instrument in MuseScore first (press I), then ask Copilot to write for it.
Can I undo what it did?
Yes. Each request is a single undo step, so one Ctrl+Z (Cmd+Z on Mac) restores the score exactly.
Does it need chord symbols?
No. It uses chord symbols when they are there; otherwise it reads the harmony from the other parts, half a bar at a time.
Does it work with MuseScore 3 or other notation programs?
No, only MuseScore Studio 4.x. It does not work in MuseScore 3, Sibelius, Finale or Dorico.
Is my score stored?
No. Your score is sent to AiHud only to make the edit and is not stored. The text of requests and replies is kept to improve the service.
What happens if my request is vague?
Copilot asks a short question with one-click options (which bars, which part, replace or add as a second voice) instead of guessing.
Who makes it?
AiHud (aihud.net). The plugin is free software under the GPL-3.0; the AI editing runs on AiHud's server.

How it works: install in 4 steps

  1. Get a free key on copilot.aihud.net and click “Download the plugin”. The zip has your key built in, so there is nothing to paste.
  2. Unzip it into your MuseScore plugins folder, so you end up with a NotationCopilot folder there:
    Windows: Documents\MuseScore4\Plugins\
    Mac: Documents/MuseScore4/Plugins/ (in Finder: Go → Home → Documents)
    Linux: ~/Documents/MuseScore4/Plugins/
  3. Restart MuseScore 4, open Home → Plugins and click Notation Copilot → Enable.
  4. Open a score and choose Plugins → Composing/arranging tools → Notation Copilot. Type what you want in the chat.

Honest limits

Price

Free for 100 applied edits a month, no card needed (questions and “nothing to change” replies don’t count). After that, pay as you go with AiHud credits: A request typically uses 10 to 25 credits (1 credit = $0.001); a request that needs a clarifying question costs two rounds. $10 is roughly 400 to 1,000 requests. See pricing.

Try AiHud Notation Copilot on your own score. Free for 100 edits a month.

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