Theory Tools
Circle of Fifths
Interactive visualization of key relationships and scale patterns
Circle of Fifths
E A D G B E
Diatonic Chords
Scale Notes
C Scale on Fretboard
How to Use
- • Outer circles: Major keys
- • Inner circles: Relative minor keys (e.g. Am under C)
- • Click any key: Hear the chord and see the scale on fretboard
- • Color coding: Notes are colored by scale degree
- • Sharp keys: Right side of circle
- • Flat keys: Left side of circle