7308 / 18210 · Workshop 56 — “Mack the Knife” Prelude: Walking Bass, Two-Beat-to-Four-Beat Escalation, Chorus Building, Modulation, and Making Repetition Grow← prev⊞ allnext →
56.36Level 11 — set up modulation with dominant
Suppose moving:
C → D♭.
Dominant of D♭:
A♭7.
So:
C area
→ A♭7
→ D♭.
The A♭7 announces the new tonic.