Theory, tuned for curious minds

Music theory
you can hear.

An interactive journey through harmony, melody and rhythm — no dusty textbook required.

Touch a key. Start with sound.

The building blocks

Everything in music is
one of three things.

Notes becoming colour when they sound together.

Time, pulse and the shape of musical movement.

A line of notes that your memory wants to follow.

How it works

Begin with the sound, not a definition.

Watch each pattern become visible.

Touch the idea and make it yours.

Featured instrument

See how every key, scale and chord belongs to one continuous system.