A markish confession: the biggest reason I’ll never turn on John Cena is his entrance music. What can I say? I’m a sucker for a vaguely ethnic-sounding intro with a hook featuring horns. The trilling guy who says something in Spanish I can’t quite catch is pretty rousing as well. So the trilling guy and the horns do their thing, and I’m all primed to be excited about whoever comes out on stage. I will…