A triad is a three-note chord that consists of a root, a third, and a fifth. The root is the lowest note of the chord, the third is the note three scale steps above the root, and the fifth is the note five scale steps above the root.
Major Triad
A major triad is a triad that consists of a root, a major third, and a perfect fifth. A major third is a three-step interval from the root to the third, and a perfect fifth is a five-step interval from the root to the fifth.
Minor Triad
A minor triad is a triad that consists of a root, a minor third, and a perfect fifth. A minor third is a two-step interval from the root to the third.
Differences
The main difference between major and minor triads is the third. A major triad has a major third, while a minor triad has a minor third. This difference in the third gives major and minor triads their characteristic sound. Major triads sound happy and bright, while minor triads sound sad and dark.
Uses
Major and minor triads are used in a wide variety of musical styles. Major triads are often used in popular music, country music, and rock music. Minor triads are often used in classical music, jazz, and blues.
Conclusion
Major and minor triads are two of the most important chords in music. They have a distinct sound and are used in a wide variety of musical styles.