Learn and practice piano chords interactively
Discover how chords are built. Listen to them, play them on the virtual keyboard or connect your MIDI keyboard.
Try C major now
C major consists of the notes C, E and G. Listen to the chord, hide the solution and build it yourself.
Explore more chords
Start with commonly used major and minor chords or open the complete overview.
How KEYLEY works
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Choose a chord
Open a chord and see its notes on the keyboard.
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Listen and play
Listen to the reference or build the chord yourself with a mouse, touch or MIDI.
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Get immediate feedback
KEYLEY responds calmly and without scores when you play the target chord.
What is a chord?
A chord is created when several notes sound together. A major or minor triad consists of a root, third and fifth. With KEYLEY, you can see and hear these notes and then play them yourself on a virtual or connected keyboard.
Who is KEYLEY for?
KEYLEY is for beginners and hobby musicians who want to explore piano chords through practice and without pressure. You do not need an account or a MIDI keyboard.
Frequently asked questions
Do I need a MIDI keyboard?
No. You can use every current exercise with a mouse, computer keyboard or touch. A MIDI keyboard is an additional input option.
Does KEYLEY work on a smartphone?
The virtual keyboard also works with touch. MIDI availability depends on the browser and device you use.
Is KEYLEY free?
Yes. All currently available chord pages and interactions are free to use without an account.
Which chords can I practice?
KEYLEY currently includes 24 major and minor triads. The chord overview lists every available chord.