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Decoder: Circle of Fifths for Ukulele

Decoder: Circle of Fifths for Ukulele

Precio habitual £27.99 GBP
Precio habitual Precio de oferta £27.99 GBP
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Geared for Ukulelist

Decoder: Circle of Fifths simplifies the classic, fundamental music theory concept. It's a useful tool for understanding key relationships, chord progressions, and modulations in music. Expand your knowledge of scales and building chords in any key. Soloing and songwriting are made easier - no matter your playing ability. 

✓ Decode Music Theory

With Decoder, focus on one key at a time without information overload.

✓ Expose and Analyze Chord Progressions

Check out the selection of 12 common chord progressions on the back to get you playing and applying your new Circle of Fifths knowledge. 

✓ Transpose key with a turn of the wheel

Change key effortlessly and transpose instantly with a turn of the Decoder’s wheel. The clear graphics visually separate major, minor and diminished chords for easy differentiation at a glance.  It is an easy-to-digest, graphical representation of the structures in the music we hear daily. 

✓ Compose your own songs

More than a cheat sheet. It organises keys, chords, notes, and scales according to what they have in common and how good they sound together. 

✓ Reading Companion

Complete with a 78 page book packed with examples and handy tips to get you playing straight out of the box. This learning resource will help you become more proficient in using Decoder. It covers a variety of music theories with modern music examples. With extended chapters on songwriting and soloing, deep dives into chord building and even scale building, we have above and beyond to deliver the quintessential ukulele music theory book. 

✓ Lightweight, portable and durable

Decoder is light weight and durable. Use flat or prop it up with it's built in snap stand!

✓ Satisfaction Guaranteed

  • 30-Day Money Back Guaruntee
  • One Year Warranty

All products ship within 24 hours. Please feel free to reach out to us at anytime to check on your order

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Noisy Clan helps navigate how the ukulele's tuning and chord shapes fit into this framework. This book is packed with fretboard diagrams that explain how chords are made from a predictable set of notes, opening the door to scales, melodies and soloing.

You’ll also find songwriting shortcuts to bring your brand new songs to life and learn to recognise commonly used chord progressions, unlocking the mystery of how a roomful of jamming musicians can play well together without a shred of sheet music.

Most circle of fifths are confusing and cluttered

Decoder Circle of Fifths shows you the key signatures for each key by visually highlighting which notes are flat or sharp AND shows you where they appear in each key's major scale.


We even added in a little extra - the Quick Chords, so that you can see how chords are built up from the notes. This tool simplifies the theory so that you can focus on the fun part -Playing More

  • learning guitar


    Durable plastic with built-in, optional stand. Complete with Reading Companion for all instruments.

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  • learning the circle of fifths

    Teacher's Dozen

    Share your knowledge! Decoder Essential 12 Pack bundled with Decoder + Reading Companion.

    Learn More 
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Frequently Asked Questions

Dimensions & Materials

Materials: Polypropylene, nickel press studs.

Dimensions: 146mm x 146mm x 4mm (W x L x D)

Weight: Decoder 45g (0.1lbs) , Book 150g (0.33lbs)

Care Instructions

Wipe with a damp cloth.

Shipping & Returns

All products (that are not in pre-order) ship within 24 hours. Please feel free to reach out to us at anytime to check on your order

If you need to return, please contact detailing your reason for return and any relevant photos should your product have a fault. A member of our team will work with you to ensure your Wee Stand is safely returned to us. Please include your order number and email associated with the purchase.


Thank you for placing an order with us. In order to make shipping faster and more cost-effective, we ship from locations in the US, UK, and Asia.

Free UK shipping. Shipping to the EU and AU will be with Royal Mail and will take approximately 1-3 weeks. In the USA, we ship to the lower 48 states with free shipping for orders over $40 which includes Tracked shipping via USPS. Products are shipped from our CA warehouse and generally arrive between 4-10 days.

*Orders generally arrive 9-18 days by Royal Mail. If additional arrangements need to be made to ship effectively to countries that are outside of our assured shipping zones, we will prompt you to contact us during checkout upon confirming your shipping country.

All products will ship within 24 hours. Please feel free to reach out to us at anytime to check on your order at 

What is a Circle of Fifths?

The Circle of Fifths arranges the 12 major keys found in western music, in a circle. Each key is separated by an interval of a 5th - hence the Circle of Fifths! 

How many pages are in the booklet?

Decoder: Circle of Fifths comes with a Reading Companion - a 78 page booklet packed with examples and handy tips to get you playing straight out of the box.

I'm a beginner. Can I use Decoder?

Yes, Decoder: Circle of Fifths and its accompanying reading companion are designed to help musicians of all abilities. As you learn, you can progress through the book and find new ways to apply the circle of fifths to your playing.

What is the difference between the yellow and green Decoder?

The Yellow Decoder has an optional built in stand. It snaps in place in the back or can be snapped out of the way. The yellow Decoder is made of plastic. The green Decoder is made of cardboard.