Learn the wheel one key at a time.

An interactive spin on the classic circle of fifths inspires fun in learning music theory and gets you playing more music.

Most circle of fifths are confusing and cluttered, making it easy to encounter information overload and intimidating to learn. Noisy Clan's Decoder simplifies music theory. It let's you play as your learn by concentrating on one key at a time.

circle of fifths key

Finding Key

The exposed note at the top- your anchor! The rest of the exposed notes are telling you what sound good in this key. The Key Signature tells you which notes and chords will be flat or sharp in the chosen key.

circle of fifths chords on decoder

Chords in Key

The major and minor chords are separated. The major chords sit on top, the minor chords at the bottom, and the diminished chord sits in the middle.

circle of fifths quick chord

Quick Chords

Use Quick Chords reminders under every window to build triads for each chord without having to turn the wheel.

Give it a Spin!

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