BookatlasPiano Rabbit Hole: Improvisation Theory & Practice
10164 / 18210 · Workshop 84 — Modulation Architecture: Pivot Chords, Direct Modulation, Common-Tone Modulation, Sequential Modulation, and Making Key Changes Feel Inevitable← prev⊞ allnext →

84.23Level 10 — enharmonic diminished modulation

Because a fully diminished seventh can be reinterpreted under several roots/functions:

one diminished sonority can serve as the doorway into a distant key.

This is one of the classic modulation tools.