Music Theory Handbook

Chords

Triads, sevenths, extensions and voicings.

Chords

How Triads Are Built: Major, Minor, Diminished and Augmented Chords

Learn how triads are stacked from thirds, how the four triad qualities differ in semitones, and how to spell each one from any root note.

5 min read
Chords

Seventh Chords Explained: Major, Dominant, Minor and Half-Diminished Sevenths

Learn how seventh chords add a third above a triad, the semitone pattern of each common seventh type, and how to spell them from any root.

5 min read