General Music Theory
Decoder: Circle of Fifths
Decode Music Theory
With Decoder: Circle of Fifths, focus on one key at a time without information overload. It 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.
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.
Expose Chord Progressions
Take a look at the Quick Chords, reminders under every window to build triads for each chord without having to turn the wheel. This way, you can see how chords are built up from the notes. Plus, check out the selection of 12 common chord progressions on the back!
Compose Songs
- Keys, chords, notes, and scales organised and visualised.
- Songwriting shortcuts to bring your songs to life
- Recognise commonly used chord progressions
- Find beautiful chords out of the main key.
Decoder Learning Aids
Circle of Fifths
Cheat Sheets
Compass
Posters
Decoder: Circle of Fifths General Music Theory
£26.99
Music theory made easy!
This is a Decoder: Circle of Fifths. Our own spin (literally) on the circle of fifths. This tool allows you to play as you learn, and to helps you connect music theory essential concepts that take your music to the next level.
Complete with a 36 page booklet packed with examples and handy tips to get you playing straight out of the box. It covers a variety of music theories with modern music examples. For both new and experienced players of any instrument.
Decoder is light weight and durable. Use flat or prop it up with it's built in snap stand! Ready to follow wherever you play!
Decoder: Circle of Fifths for Guitar
£26.99
Geared for Guitarists
This is the bridge between guitar and music theory. You'll learn how to build chords and understand the relationships between keys, chords, notes and scales for guitar. This book and tool allows you to explore the framework of the fretboard by using the circle of fourths and fifths. Very effective for songwriting!
Complete with a 72 page booklet packed with examples and handy tips to get you playing straight out of the box. 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.
Lightweight and Durable. Use flat or prop it up with it's built in snap stand! Ready to follow wherever you play!
Decoder: Circle of Fifths for Ukulele
£27.99
Geared for Ukulelists
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.
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.
Lightweight and Durable. Use flat or prop it up with it's built in snap stand! Ready to follow wherever you play!
Decoder: Teacher's Dozen
£80.00
Decoder: Circle of Fifths General Music Theory + Pack of 12 Decoder Essentials. The Decoder is great for interactive, hands-on learning. Perfect aid for music teachers!
Decoder: Essential Card Edition 12 Pack
£54.99
12 Essential Edition Decoder: Circle of Fifths in one convenient pack! Perfect to play and learn together with your musical group. Check out the Teacher's Bundle for the classroom!
Cheat Sheets for Guitar
£15.99
Unlock the secrets of chords, scales, triads, and keys effortlessly with our comprehensive set of 4 reference sheets. These reference sheets help budding guitarists to quickly grasp music theory concepts. Unleash your musical potential and take your guitar skills to the next level!
🔒 Convenient Protective Folder
🔨 Durable Scuff-Resistant Design
✅ Bonus Music Theory Insights
🚚 Products ship within 24 hours
Cheat Sheets for Ukulele
£15.99
Unlock the secrets of chords, scales, and keys effortlessly with our comprehensive set of 3 reference sheets. These reference sheets help budding ukuleleist to quickly grasp music theory concepts. Unleash your musical potential and take your ukulele skills to the next level!
✓ Convenient Protective Folder
✓ Durable Scuff-Resistant Design
✓ Bonus Music Theory Insights
✓ Products ship within 24 hours
Bundle Cheat Sheets for Piano Chords and Scales
£19.99
Piano Chords and Scales. The Ultimate Theory Bundle.
Get Noisy Clan's Cheat Sheets for Chords and Scales in one convenient pack. This combo will improve your hand eye coordination, site reading and ear training to prepare for playing complex pieces.
You'll learn the 1-3-5 chord building formula and the major, natural minor, harmonic and melodic scales.
Ideal for beginners and advanced players alike, these piano cheat sheets ensure you can easily find and play any scales or chords on the piano. If you’re improvising or composing, this chord chart piano guide is an invaluable tool for elevating your sound.
Cheat Sheet for Piano Chords
£12.99
Explore and understand piano theory!
This guide chart offers a structured approach to learning and practicing chords, aiding in the development of keyboard skills. Users can quickly build their proficiency and confidence in playing various chords and keys.
This chord chart piano reference provides clear chord formulas, a structured approach to learning and practicing chords.
Ideal for beginners and advanced players alike, this piano cheat sheet ensures you can easily find and play any chord on the piano. If you’re improvising or composing, this chord chart piano guide is an invaluable tool for unlocking your musical potential.
Cheat Sheet for Piano Scales
£12.99
Explore and understand piano scales!
This guide chart offers a structured approach to learning and practicing scales. Players can quickly build better hand eye coordination and ear training to prepare for playing complex pieces. We've included major, natural, harmonic and melodic minor scales.
Ideal for beginners and advanced players alike, this piano cheat sheet ensures you can easily find and play any scales on the piano.If you’re improvising or composing, this chord chart piano guide is an invaluable tool for unlocking your musical potential.
Decoder: Chord Compass for Guitar
£28.99
Teaches the formula to find every single chord on guitar.
Chord Compass for Guitar helps navigate the fretboard by harnessing the power of the CAGED system. This chord training tool shows you five ways to play any major chord and modify into thousands of playable chords. You'll open up the fretboard by learning chord structure and the relationship of chords across the guitar neck. You'll form connections and understanding of how to play chord inversions, barre chords, and scales in different positions.
Use the slider on the back of the Decoder to move the shapes along the fretboard!
Decoder: Chord Compass for Piano
£28.99
Chord Compass for Piano shows you how to play any major, minor, diminished and seventh chord.
Apply the 1-3-5 method to find every single chord on your piano/keyboard. You'll learn chord structure and the relationship of chords across the keyboard in an interactive way. Use the slider on the back of the Decoder to move the chords along the keyboard! With a movable chord band, this tool displays chord structures in a single octave, making it easy to visualize major chord intervals and create variations like Major 7th, minor 7th, and diminished 7th chords on the piano.
This version contains a 80 Page Chord Learning Book. This is an easy to digest, bitesized book which guides you through how building chords on keyboard can improve your playing and teaches you about chord structure. Play more with examples and easy to follow instructions.
Decoder: Chord Compass for Piano Solo
£19.99
Chord Compass for Piano shows you how to play any major, minor, diminished and seventh chord.
Apply the 1-3-5 method to find every single chord on your piano/keyboard. You'll learn chord structure and the relationship of chords acrossthe keyboard in an interactive way. Use the slider on the back of the Decoder to move the chords along the keyboard!
This version is going solo, there is not a physical reading guide included.
Piano Scales Poster
£22.99
This learning poster provides a comprehensive visual guide to building various major and minor piano scales, including Major, Major Pentatonic, Natural Minor, Minor Pentatonic, Harmonic Minor, and Melodic Minor.
The poster features a clear and easy-to-understand graphic design, making it an excellent learning tool for both beginners and teachers. Instead of focusing on finger positions, this poster teaches piano through chord structures.
Printed on a high-quality canvas material that can be easily ironed for a smooth, wrinkle-free display.
Piano Chords Poster
£22.99
This learning poster provides a comprehensive visual guide to building various piano chords, including major, minor, diminished, major 7th, dominant 7th, and minor 7th chords. Suitable for both beginners learning chords and experienced teachers seeking a visual aid for instruction.
Enjoy clear and easy-to-understand diagrams that illustrate the finger positions and note combinations for each chord type across all keys.
Printed on a high-quality canvas material that can be easily ironed for a smooth, wrinkle-free display.
Piano Circle of Fifths Poster
£22.99
This learning poster provides a comprehensive visual guide to the circle of fifths, chord progressions, and playing in different keys.
The poster features a clear and easy-to-understand graphic design, making it an excellent learning tool for both beginners and teachers. Instead of focusing on finger positions, this poster teaches piano through chord structures.
Printed on a high-quality canvas material that can be easily ironed for a smooth, wrinkle-free display.
Guitar Circle of Fifths Poster
£22.99
Circle of Fifths for Guitar- the key to music success. Always play in key, it helps with song writing, jamming and playing in groups. Clear guitar fretboard design helps you know what to play in every key.
This poster is printed on high quality canvas poster, printed with high resolution. Easy to iron away folded creases.
Guitar Scales Poster
£22.99
Make guitar practice easy with this large scales chart poster for beginners. Discover major, minor, blues, harmonics and pentatonic scales. Ionian Mode, Aeolian Mode, Hirajoshi Scale & Even Soloing Tips!
You'll learn where to begin scales, how to progress in the full scales chart. Make guitar practice easy with step by step instruction. Use the learning from each scale to get better at guitar soloing. Make sense of smaller components of a scale and apply this to the whole guitar neck.
Printed on high quality canvas poster, printed with high resolution. Easy to iron away folded creases.
Frequently Asked Questions
Wipe with a damp cloth.
Materials: Polypropylene, plastic press studs.
Dimensions: 146mm x 146mm x 4mm (W x L x D)
Weight: Decoder 45g (0.1lbs) , Book 150g (0.33lbs)
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!
Decoder: Circle of Fifths comes with a 36 page booklet packed with illustrations, examples and handy tips to get you playing more.
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.
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 Essential is made of cardboard.
Additionally, the Yellow Decoder displays Secondary Subdominant and Secondary Dominant. They appear in the frosted windows.
We are a small company based in Scotland, shipping worldwide. Our mission is to help you play more! Keep up to date with new products, get exclusive discounts, free downloads, and more!
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