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piano.org
A piano reference: chords, scales, theory & ear training.
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Practice Room

Connect a MIDI keyboard and just play. The room listens, names what you play, and grades how you play it — the kind of feedback you'd hear from a teacher.

No MIDI keyboard, or just want to play around without being graded? Try the Virtual Piano.

MIDI…
00:00
Need a MIDI keyboard? See piano.org's gear guide — USB keyboards and cables that work here.
Listening…
Play a few notes
Easy mode: scale notes are highlighted on the keyboard once we identify what you're playing.
C1C2C3C4C5C6C7C8
Connect a MIDI keyboard to start recording.
How it works: Connect a MIDI keyboard (Chrome / Edge / Opera — Safari isn’t supported) and just play. The room identifies what scale or chord you’re playing in real time. Hit Start when you want a recorded session with end-of-session feedback and weak-spot links.

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USB keyboards and cables that work here.
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