Fretboard
C major
- W
- W
- H
- W
- W
- W
- H
- C1
- D2
- E3
- F4
- G5
- A6
- B7
Piano
Guitar
Circle of fifths
The shaded wedge is the seven chords of C major.
- Outside
- The twelve major keys, a fifth apart.
- Middle
- Each key's relative minor.
- Inside
- The diminished chord on its seventh.
C majorScale mode