Triad shapes on piano

A chord sounds and its root lights up on the piano; find the shape, then see it. Space reveals, Space deals the next. The browser only plays — the app listens.

C234567C234567C234567C234567C♭2♭3♭5♭6♭7♭2♭3♭5♭6♭7♭2♭3♭5♭6♭7♭2♭3♭5♭6♭7

Triad Harmony

Hear, build, and identify major and minor triads harmonically, in various shapes. Major and minor triads are about 80% of the chords in popular music — the home base of harmony. Learn to tell major and minor apart by sound and to play them in the many ways.

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Shapes

Reveal

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Next chord

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Range

Sound

Samples load on first play (~1 MB).

What you’re practising

Triad Harmony

Hear, build, and identify major and minor triads harmonically, in various shapes. Major and minor triads are about 80% of the chords in popular music — the home base of harmony. Learn to tell major and minor apart by sound and to play them in the many ways.

Read more →

Build Shapes. Hear a chord and build it on your instrument, root given How it works →

On the piano: four octaves, C2 to C6.

Also