A Chords

Every chord type built on the root A — pick a quality to see how it is constructed, note by note.

This page collects every chord type Theory Warrior documents on the root A: 62 qualities across 10 families, from the basic major and minor triads through sevenths, suspensions, sixths, and the extended and altered colors. Each chord page shows the interval formula, the exact notes the chord contains, and where the chord lives inside keys and scales.