Lesson 7
Triads

Practice Drills
Id Triads
write triads
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Assignments

 

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Introduction

As we have already learned, two pitches sounding simultaneously is a harmonic interval. Three or more pitches sounding simultaneously is a chord.  

Although chords can be built by stacking intervals of any size, those built in thirds are the most common. Following are examples of various chords:

1

Triads

Most of the harmony we encounter in Western culture is based on triads. This is called tertian harmony and was standard from about 1600 to 1900. A triad is a three-note chord built in thirds. Examples of all the triads built on the white keys of the piano are shown below:

Every triad consists of three components: a root, a third, and a fifth. The root is the tone from which the chord is both constructed and named. The following chord, therefore, is a G chord.

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