Exercise 2—Class Exercise
Complete the triad harmonically by drawing two consecutive thirds above the given pitch. Identify the root.
Play the triads.
Qualities of Diatonic Triads
Triads may be classified by quality,which is determined by measuring the interval size of each of the thirds of
the triad. There are four qualities of triads: major, minor, diminished, and augmented. We will begin our study
with the major triad.
Major Triad
Amajortriad consists of the first, third, and fifth pitches of a major scale. For example:
288
Example 1. 2. 3. 4. 5. 6.
G
MODULE 11
root (first) third fifth
fifth
third
first
F major scale
F major triad