BookatlasPiano Rabbit Hole: Improvisation Theory & Practice
7659 / 18210 · Workshop 60 — “Butterfly”-Type Floating Harmony: Deep Pocket, Pedal Centers, Upper Structures, Parallel Voicings, Common-Tone Motion, and Making Harmony Feel Suspended Rather Than Functional← prev⊞ allnext →

60.6This is a recurring principle

The 3rd determines chord quality very strongly.

With E♭:

minor.

Without E♭:

more ambiguous.

With E natural:

major/dominant-ish depending context.

Therefore:

presence, absence, and timing of the 3rd are arranging tools.