(TRD) Augmented Triad Lesson

Augmented Triad

The augmented triad is built with a major triad and an augmented fifth.

Let's build a C augmented triad.

Write the generic third and fifth on the staff.

Now, switch to the keyboard. Start at the C and count up four half steps for the major third.

Go back to the root and count up eight half steps for the augmented fifth.

Finally, write any needed accidentals. A C augmented triad is C---E---G#.

The last triad that we will discuss is the diminished triad. It is built with a minor third and a diminished fifth.

 

The last triad that we will discuss is the diminished triad. It is built with a minor third and a diminished fifth.

Let's build a C diminished triad.

Write the generic third and fifth on the staff.

Now, switch to the keyboard. Start at the C and count up three half steps for the minor third.

Go back to the root and count up six half steps for the diminished fifth.

Finally, write any needed accidentals.

A C diminished triad is C---Eb---Gb.

 

Use this chart to reference the four types of triads.

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