Prepping a crowd- How do we get a crowd ready to cheer their hearts out?

[Batman]

You hold the fight in the UK and open the bar
Simple

I reckon you have answered my question about Sweet Caroline

we are piss heads and like to sing.

Also there is nothing like getting a crowd pumped that when a fighter comes out to the ring with an obscure rapper who spits verses into the mic...give me sweet Caroline anyday