BookatlasPiano Rabbit Hole: Improvisation Theory & Practice
9745 / 18210 · Workshop 80 — Harmonic Ambiguity and Delayed Identity: Sus Chords, No-3rd Voicings, Slash Chords, Pedals, and Letting the Listener Discover the Harmony← prev⊞ allnext →

80.65Upper structures are ambiguous until anchored

An upper triad alone does not necessarily communicate the parent chord.

You need:

  • bass
  • guide tones
  • context

to define its role.

This is why sophisticated harmony must be grounded.