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Music Theory Reference

Interactive music theory reference with a circle of fifths, interval chart and chord construction guide. Learn keys, scales and how chords are built.

MajorMinor
CGDAEBF#DbAbEbBbFAmEmBmF#mC#mG#mD#mBbmFmCmGmDmMajorCSharps →← Flats

C Major

No sharps or flats

Major Scale

C
D
E
F
G
A
B

Chords in C Major

I
C
Major
ii
Dm
Minor
iii
Em
Minor
IV
F
Major
V
G
Major
vi
Am
Minor
vii°
Bdim
Diminished

Relative Minor

Am

Fifth (V)

G

Fourth (IV)

F

Key Signature

None

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