Practice, marked as you play
Play. It listens.
Your sheet music answers.
Accompanist hears your instrument and marks every note on the score as you go: green when it’s right, a pencilled word when it isn’t. It follows your tempo, so you never have to keep up with a metronome.
Try it once.
Für Elise, or a score of your own, with the same listening engine as the app. Play it on a piano or keyboard near your computer, out loud. Nothing you play, and no file you open, leaves your browser.
Loading the score…
That was your free try. Get Accompanist to keep practising: every score in the library, as often as you like.
Download AccompanistHow it reads you
Every note gets an answer the moment you play it. Nothing covers the music but the words.
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Right, on time
The whole note fills green.
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A little off
The right key, a touch early or late: yellow.
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Early, late, missed
The note stays as written; a small word under it says what happened.
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Wrong key
It names the key you pressed and the one written.
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Repeats
The bars go back to black and fill in again. Your summary keeps every time through.
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What’s next
The notes to play now keep jumping until you play them.
Pick a score
1,369 public-domain pieces, from Bach to Debussy, ready to play.
Play your way
It follows your tempo. Click once to pause and write on the music, twice to finish.
See what to fix
A summary of every mistake, by section, with each time through a repeat. Tap one to find it on the score.
Get Accompanist
The whole library, and every run marked note by note.
The Mac app isn’t signed by Apple yet. The first time you open it, macOS stops it: open System Settings → Privacy & Security, scroll to Accompanist and click Open Anyway.