▸Table of Contents Strict Triads Non-Strict Triads Strict Seventh Chords Non-Strict Seventh ChordsWithin the Fretboard Knowledge domain, we loosely define chords as “three or more pitched sounds played simultaneously”.In Western music theory, common chords are generally built by stacking minor and major third intervals.In Fretboard Knowledge, “common chords” means our list of all strict and non-strict triads and seventh chords.Strict triads …