Don't Interrupt

Some people assume that listening to music, with headphones, is a subtle invitation to be interrupted.

No matter where I park myself, no matter the obvious seclusion, when listening to music someone is bound to come and attempt to speak to me.

I have a method to deal with such people, or "idiots' as they may fairly be called. Without turning down the volume, I ask them, "Think carefully. Ask yourself if what you have to say can be more interesting than the music I am listening to?"
Remarkably, nearly all of them walk away. Even more remarkably, no one has bopped me on the nose.