10217 / 18210 · Workshop 84 — Modulation Architecture: Pivot Chords, Direct Modulation, Common-Tone Modulation, Sequential Modulation, and Making Key Changes Feel Inevitable← prev⊞ allnext →
84.76Level 47 — modulation into bridge
In AABA form:
A section in C.
Bridge enters E♭ or A♭.
Because the form itself announces a new section, the modulation can be more abrupt.
Formal contrast gives permission.