I just watched the performance and I am mad, too!!!!! The person in charge of sound should be fired. I'm serious. It is the job of the sound-person to make sure the artist sounds as good as possible... and this was embarrassing for Arashi to have to sing without hearing themselves or each other.

I FELT SO SAD FOR THEM!

People who say it is Arashi's fault have obviously never sung on stage with a band playing loudly before. It is REALLY HARD and it's impossible if you can't hear yourself.