You know Mozart's "Eine Kleine Nachtmusik"? The one that goes

Da, da da, da da-da-da-da da!

You know it. You've heard it on Bugs Bunny.

That's been stuck in my head for hours, as a result of an hour and a half of Dr. Ruth trying to teach the concept of modulation to a classroom full of students who already know it.

Using this piece to teach the concept of modulation is somewhat akin to a physics professor teaching the concept of force by beating his students about the head with a log.