10202 / 18210 · Workshop 84 — Modulation Architecture: Pivot Chords, Direct Modulation, Common-Tone Modulation, Sequential Modulation, and Making Key Changes Feel Inevitable← prev⊞ allnext →
84.61Level 36 — modulation through tritone substitution
Suppose old key C.
Use D♭7 as substitute dominant into C.
But instead of resolving C:
reinterpret D♭7 in a new context and move elsewhere.
A substitution can become a pivot if its destination changes.