A playful exploration using irrational numbers (π, e, √2, √3). Digits become degrees on the wheel, tracing repeating patterns that are part math and part music.
Open Numbers Circle →Spin the Circle of Fifths
The Circle of Fifths is a simple visual map of how keys relate to each other. Neighboring keys share most notes, and moving around the wheel shows how sharps and flats accumulate. This page is here as a friendly reference — not something you must memorize.
Practical use: the Circle helps you recognize “close” keys, understand why key signatures change gradually, and spot common patterns in chord movement.
What the circle helps you see
- Key neighbors: keys next to each other share most notes.
- Sharps/flats growth: as you move around the wheel, accidentals accumulate.
- Common patterns: many chord progressions move through nearby keys.
- Chord shapes: chords can be drawn as simple polygons on the wheel.
Two visual demos (optional)
If you like learning visually, these demos show the wheel in motion. They’re optional — use them as a way to build intuition, not as homework.
See triads and sevenths as geometric shapes on the wheel. It’s a visual way to notice how chords relate without needing heavy theory language.
Open Chords Circle →Where next?
If you want to apply this in practice, here are the most direct training pages: