You have to understand! 
You have to understand! 
You have to understand! 
You have to understand! 
You have to understand! 
You have to understand! 
You have to understand! 
You have to understand! 
You have to understand! 
You have to understand! 
You have to understand! 
You have to understand! 
You have to understand! 
You have to understand! 
You have to understand! 
You have to understand! 
You have to under-UNDERSTAND!

UNDERSTAND! 
UNDERSTAND! 
UNDERSTAND! 
UNDERSTAND! 
UNDERSTAND! 
UNDERSTAND! 
UNDERSTAND!

You have to understand! 
You have to understand! 
You have to understand! 
You have to understand! 
You have to understand! 
You have to understand! 
You have to understand! 
You have to understand! 
You have to understand! 
You have to understand! 
You have to understand! 
You have to understand! 
You have to understand! 
You have to understand! 
You have to understand! 
You have to understand! 
You have to understand! 
You have to understand! 
You have to understand! 
You have to understand! 
You have to understand! 
You have to understand! 
You have to understand! 
You have to understand! 
You have to understand! 
You have to understand! 
You have to understand! 
You have to understand! 
You have to understand! 
You have to understand! 
You have to understand! 
You have to understand!

(In case you dind't notice it's just a loop, they don't 
sing it anew each time)