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diatonic chords

September 10, 2013

Constructing Diatonic Chords from a Minor Scale | Music Theory Site

To make a chord, or triad, pick a starting note and count every other note above of it two times; this is called stacking thirds.  Here’s an example:

Natural Minor Scale Diatonic Chords

i – ii° – III – iv – v – VI – VII

Harmonic / Melodic Minor Scale Diatonic Chords

i – ii° – III – IV – V – VI – VII

The reason that the natural and harmonic/melodic minor chords differ is because the altering of the 6th and 7th scale degree in the harmonic/melodic minor scales change the outcome of the diatonic chords.

Constructing Diatonic Chords from a Major Scale | Music Theory Site

Diatonic Chords in the Key of G Major
D E F# G A B C
B C D E F# G A
G A B C D E F#
G Am Bm C D Em F#dim

Diatonic Chord Formula for a Major Key

1(Major) – 2(minor) – 3(minor) – 4(Major) – 5(Major) – 6(minor) – 7(diminished)

Here’s the diatonic chord formula again but using roman numerals:

Diatonic Chord Formula for a Major Key (Roman Numerals)

I – ii – iii – IV – V – vi – vii°

Since the vii° chord is diminished we add the ° symbol to indicate this.

Creating Diatonic Chord Progressions | Music Theory Site

 

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From → guitar, music, piano, theory

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