Music Theory

Key of C major

Scale: C D E F G A B

I = C

IV = F

V = G

ii: Dm

iii: Em

vi = Am

Relative minor: Am

Common progression: I - V - vi - IV

• C - G - Am - F

Borrowed chord: Bb

Neck entry: E string 8th fret, A string 3rd fret

Key of G major

Scale: G A B C D E F#

I: G

IV: C

V: D

ii: Am

iii: Bm

vi: Em

Common progression: I - V - vi - IV

• G - D - Em - C

Borrowed chord: F major

Neck entry: E string 3rd fret, A string 10th fret

Key of D major

Scale: D E F# G A B C#

I: D

IV: G

V: A

ii: Em

iii: F#m

vi: Bm

Common progression: I - V - vi - IV

• D - A - Bm - G

Borrowed chord: C major

Neck entry: E string 10th fret, A string 5th fret

Key of A major

Scale: A B C# D E F# G#

I: A

IV: D

V: E

ii: Bm

iii: C#m

vi: F#m

Common progression: I - V - vi - IV

• A - E - F#m - D

Borrowed chord: D major

Neck entry: E string 5th fret, A string 12th fret

Key of E Major

Scale: E F# G# A B C# D#

I: E

IV: A

V: B

ii: F#m

iii: G# minor

vi: C#m

Common progression: I - V - vi - IV

• E - B - C#m - A

Borrowed chord: A major

Neck entry: E string 12th fret, A string 7th fret

Key of F Major

Scale: F G A Bb C D E

I: F

IV: Bb

V: C

ii: Gm

iii: Am

vi: Dm

Common progression: I - V - vi - IV

• F - C - Dm - Bb

Borrowed chord: Bb major

Neck entry: E string 1st fret, A string 8th fret

Major Scales

Major scales are always: WHOLE WHOLE half, WHOLE WHOLE WHOLE half

Major chords: Root, 3rd, 5th (also called a triad)

• Major chords are 4 semitones apart, then 3

• Minor are 3 semitones apart, then 4