Chords

Building and naming chords: what makes one major or minor, and how it's labeled.

Major and Minor TriadsBasic ConceptsEssential

The two most common chords in Western music - one semitone apart on the third.

Chord QualityBasic ConceptsEssential

Why “major” is a shape, not a set of notes - and stays the same color and suffix no matter which note it's rooted on.

Triad InversionsBasic ConceptsEssential

Same three notes, different note on the bottom.

Roman Numeral NotationBasic ConceptsEssential

How chords get numbered from the tonic the same way scale degrees do.