It saves time in the long run.
or
He did not have a stop on his organ.
or
A head band!
or
Take their chairs away!
or
"Would you like fries with that?"
or
He/She keeps trying to stick their fist up your butt.
or
New age music.
or
It's someone who knows how to play the bagpipes, but doesn't.
or
None. music teachers can't afford lightbulbs.
or
Put your hand in the bell and play a lot of wrong notes.
or