Major Scale Triads

 

If you've read the tutorial covering the theory behind building 7th chords, then you should find the following easy enough to understand.

The tables below show the 7th chords contained in all the major keys. There's no substitute for knowing the theory behind this, and being able to work it all out for yourself, so please don't just try to learn all of these parrot-fashion. Really, I've included it here so that if you want to try and work out triads for a major scale, you can use these tables to check if you've got it right.

C Major - C D E F G A B

I C7 C - E - G - B
ii Dm7 D - F - A - C
iii Em7 E - G - B - D
IV F7 F - A - C - E
V G7 G - B - D - F
vi Am7 A - C - E - G
viiø Bø7 B - D - F - A

 

G Major - G A B C D E F#

I G7 G - B - D - F#
ii Am7 A - C - E - G
iii Bm7 B - D - F# - A
IV C7 C - E - G - B
V D7 D - F# - A - C
vi Em7 E - G - B - D
viiø F#ø7 F# - A - C - E

 

D Major - D E F# G A B C#

I D7 D - F# - A - C#
ii Em7 E - G - B - D
iii F#m7 F# - A - C# - E
IV G7 G - B - D - F#
V A7 A - C# - E - G
vi Bm7 B - D - F# - A
viiø C#ø7 C# - E - G - B

 

A Major - A B C# D E F# G#

I A7 A - C# - E - G#
ii Bm7 B - D - F# - A
iii C#m7 C# - E - G# - B
IV D7 D - F# - A - C#
V E7 E - G# - B - D
vi F#m7 F# - A - C# - E
viiø G#ø7 G# - B - D - F#

 

E Major - E F# G# A B C# D#

I E7 E - G# - B - D#
ii F#m7 F# - A - C# - E
iii G#m7 G# - B - D# - F#
IV A7 A - C# - E - G#
V B7 B - D# - F# - A
vi C#m7 C# - E - G# - B
viiø D#ø7 D# - F# - A - C#

 

B Major - B C# D# E F# G# A#

I B7 B - D# - F# - A#
ii C#m7 C# - E - G# - B
iii D#m7 D# - F# - A# - C#
IV E7 E - G# - B - D#
V F#7 F# - A# - C# - E
vi G#m7 G# - B - D# - F#
viiø A#ø7 A# - C# - E - G#

 

F# Major - F# G# A# B C# D# E#

I F#7 F# - A# - C# - E#
ii G#m7 G# - B - D# - F#
iii A#m7 A# - C# - E# - G#
IV B7 B - D# - F# - A#
V C#7 C# - E# - G# - B
vi D#m7 D# - F# - A# - C#
viiø E#ø7 E# - G# - B - D#

 

C# Major - C# D# E# F# G# A# B#

I C#7 C# - E# - G# - B#
ii D#m7 D# - F# - A# - C#
iii E#m7 E# - G# - B# - D#
IV F#7 F# - A# - C# - E#
V G#7 G# - B# - D# - F#
vi A#m7 A# - C# - E# - G#
viiø B#ø7 B# - D# - F# - A#

 

Gb Major - Gb Ab Bb Cb Db Eb F

I Gb7 Gb - Bb - Db - F
ii Abm7 Ab - Cb - Eb - Gb
iii Bbm7 Bb - Db - F - Ab
IV Cb7 Cb - Eb - Gb - Bb
V Db7 Db - F - Ab - Cb
vi Ebm7 Eb - Gb - Bb - Db
viiø Fø7 F - Ab - Cb - Eb

 

Db Major - Db Eb F Gb Ab Bb C

I Db7 Db - F - Ab - C
ii Ebm7 Eb - Gb - Bb - Db
iii Fm7 F - Ab - C - Eb
IV Gb7 Gb - Bb - Db - F
V Ab7 Ab - C - Eb - Gb
vi Bbm7 Bb - Db - F - Ab
viiø Cø7 C - Eb - Gb - Bb

 

Ab Major - Ab Bb C Db Eb F G

I Ab7 Ab - C - Eb - G
ii Bbm7 Bb - Db - F - Ab
iii Cm7 C - Eb - G - Bb
IV Db7 Db - F - Ab - C
V Eb7 Eb - G - Bb - Db
vi Fm7 F - Ab - C - Eb
viiø Gø7 G - Bb - Db - F

 

Eb Major - Eb F G Ab Bb C D

I Eb7 Eb - G - Bb - D
ii Fm7 F - Ab - C - Eb
iii Gm7 G - Bb - D - F
IV Ab7 Ab - C - Eb - G
V Bb7 Bb - D - F - Ab
vi Cm7 C - Eb - G - Bb
viiø Dø7 D - F - Ab - C

 

Bb Major - Bb C D Eb F G A

I Bb7 Bb - D - F - A
ii Cm7 C - Eb - G - Bb
iii Dm7 D - F - A - C
IV Eb7 Eb - G - Bb - D
V F7 F - A - C - Eb
vi Gm7 G - Bb - D - F
viiø Aø7 A - C - Eb - G

 

Fb Major - F G A Bb C D E

I F7 F - A - C - E
ii Gm7 G - Bb - D - F
iii Am7 A - C - E - G
IV Bb7 Bb - D - F - A
V C7 C - E - G - Bb
vi Dm7 D - F - A - C
viiø Eø7 E - G - Bb - D

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