Chords
Naming Triads
FOUR TYPES OF TRIAD
 TYPE  
Major
Minor
Diminished
Augmented
 THIRD - FIFTH
Major - Perfect
Minor - Perfect
Minor - Diminished
Major - Augmented

The root is the note that determines the letter name of the triad. The quality of the third and fifth are what determines the type of the triad: Major, Minor, Augmented or Diminished.
Major is not indicated.
m = Minor
= Diminished
+ = Augmented
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