75.67Level 38 — same contour, changing function

Motif:

up sixth, down step.

Over Dm7:

F→D? That is down sixth, so pick a valid pattern intentionally.

Let's design:

D→B♭→A.

Over G7alt:

G→E♭→D♭.

Over Cmaj:

E→C→B.

The precise interval qualities vary, but the broad contour can survive.