Extended Chords in Four-Part Harmony - Music Composition

The video tutorial explains how to use extended chords in four-part harmony. It covers the basics of building extended chords by adding thirds and discusses the dissonance that can occur with these chords. The tutorial also provides guidance on which notes to omit to clean up the sound and how to apply extended chords in harmony, particularly focusing on the dominant and subdominant chords.

What new insight or understanding did you gain from this video?