“Truck Driver’s Gear-Change” modulation:
Maureen McGovern, “Amazing Grace” 
Michael Jackson, “Man in the Mirror” (1988)

The "Truck Driver’s Gear Change" is an abrupt modulation generally found in popular music. Because of its colloquial name, it has the associations of being unimaginative and mechanical, yet popular musicians use this modulatory device profusely to increase the intensity of the listener’s experience while achieving artistic and creative results.