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Describe the music
Choose the style, instruments, mood, key, time signature and musical direction you have in mind.
Notation-led AI for musicians and educators
Turn ideas into sheet music.
Describe the music you imagine. ImpromptuAI creates an original notated score and audio from a simple text prompt — while keeping the artistic decisions in your hands.
Free to download · Pay as you go · No subscription required
How it works
From musical intent to notation.
Start with the idea rather than a blank manuscript. ImpromptuAI turns your choices into a notated first draft you can read, hear and use.
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Generate notation and audio
ImpromptuAI turns your brief into an original notated score with an audio preview.
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Keep artistic control
Inspect the score, listen, download and share. The musical brief and intended use remain yours.
Notation first
Notation at the centre. Musicians in control.
ImpromptuAI is built around music as something people can read, analyse, teach, rehearse, perform and develop — not merely an audio file generated by a machine.
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Your musical choicesDirect the style, ensemble, mood, key, metre and character through language.
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Notated score and audio togetherSee the musical structure and hear an audio reference for each composition.
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Built for musical practiceA creative starting point for musicians, performers, composers and educators.
Corporate membership
Proud Corporate Member of TiME.
ImpromptuAI is a Corporate Member of Technology in Music Education (TiME), joining a community focused on thoughtful and effective uses of technology in music learning and practice.
Inside the app
From prompt to readable notation.
Real screens from ImpromptuAI, including generated choral, electronic and contemporary-classical scores.
About ImpromptuAI
AI should expand musical control.
ImpromptuAI is an independent UK music-technology company built around a simple idea: creating written music should begin with musical intent, not hours of entering notes.
The vision is to give musicians, performers, composers and educators a faster route from an imagined sound to notation they can inspect, hear, teach from, perform and develop.
Matt Winnel
Founder · Musician · Physicist · Developer
ImpromptuAI is currently a one-person team, built by Dr Matthew Winnel. Matt combines formal music training and performance experience with a PhD in computational physics and deep-tech software expertise. He designed and built the iOS app and backend, bringing together AI, music engraving and audio technology.
Contact
Talk to ImpromptuAI.
Questions, feedback, partnerships or press enquiries are welcome. For app-account or technical issues, use the support address below.
What will you compose?
Choose the style, instruments, mood, key and time signature, then turn your musical idea into an original notated score and audio.