Modulation in music theory is a lot more than the “truck driver’s gear shift”.
A good example is the Sonata form, which is underrated for modern music, but it actually engages the listener throughout, which is exactly what is needed to avoid having to resort to endless repetition and silly gear shifts.
When folks call key change a modulation, what comes to my mind is the 70s disco gimmick to go one semitone up with the key on the last chorus.
Modulation in music theory is a lot more than the “truck driver’s gear shift”.
A good example is the Sonata form, which is underrated for modern music, but it actually engages the listener throughout, which is exactly what is needed to avoid having to resort to endless repetition and silly gear shifts.