Triads
• A triad is a stack of 3 notes in various arrangements of 3rds.
• Triads consist of a root, a 3rd, and a 5th.
There are four tonalities of triads
(below using C roots for examples)
| Tonality | Chord symbol | 3rds stack | Chord Tones | Notes |
|---|---|---|---|---|
| Major | C | M3 + mi3 | R 3 5 | C E G |
| Minor | C- | mi3 + M3 |
R
|
C
E |
| Augmented | C+ | M3 + M3 |
R
3
|
C
E
G |
| Diminished | C |
mi3 + mi3 |
R
|
C
E |