The Types of Triads and Seventh Chords

TriadsSeventh Chords
Major (M)Major Major (MM)
Minor (m)Major Minor (Mm)
Diminished (, d)Minor Minor (mm)
Half Diminished () or
Diminished Minor (m, dm)
Fully Diminished (, d)
Augmented (+, A)Minor Major (mM)
Diminished Major (M, dM)
Augmented Major (+M, AM)
Augmented Minor (+m, Am)

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